20216462760

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:480

約数の個数: 576

約数和(自身を含む): 76353338880

約数和(自身を除く): 56136876120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 31, 36, 39, 40, 45, 52, 54, 60, 62, 65, 72, 78, 81, 90, 93, 104, 108, 117, 120, 124, 130, 135, 155, 156, 162, 169, 180, 186, 195, 216, 234, 243, 248, 260, 270, 279, 310, 312, 324, 338, 351, 360, 372, 390, 397, 403, 405, 465, 468, 486, 507, 520, 540, 558, 585, 620, 648, 676, 702, 744, 780, 794, 806, 810, 837, 845, 930, 936, 972, 1014, 1053, 1080, 1116, 1170, 1191, 1209, 1215, 1240, 1352, 1395, 1404, 1521, 1560, 1588, 1612, 1620, 1674, 1690, 1755, 1860, 1944, 1985, 2015, 2028, 2106, 2232, 2340, 2382, 2418, 2430, 2511, 2535, 2790, 2808, 3042, 3159, 3176, 3224, 3240, 3348, 3380, 3510, 3573, 3627, 3720, 3970, 4030, 4056, 4185, 4212, 4563, 4680, 4764, 4836, 4860, 5022, 5070, 5161, 5239, 5265, 5580, 5955, 6045, 6084, 6318, 6696, 6760, 7020, 7146, 7254, 7533, 7605, 7940, 8060, 8370, 8424, 9126, 9528, 9672, 9720, 10044, 10140, 10322, 10478, 10530, 10719, 10881, 11160, 11910, 12090, 12168, 12307, 12555, 12636, 13689, 14040, 14292, 14508, 15066, 15210, 15483, 15717, 15795, 15880, 16120, 16740, 17865, 18135, 18252, 20088, 20280, 20644, 20956, 21060, 21438, 21762, 22815, 23820, 24180, 24614, 25110, 25272, 25805, 26195, 27378, 28584, 29016, 30132, 30420, 30966, 31434, 31590, 32157, 32643, 33480, 35730, 36270, 36504, 36921, 37665, 41067, 41288, 41912, 42120, 42876, 43524, 45630, 46449, 47151, 47640, 48360, 49228, 50220, 51610, 52390, 53595, 54405, 54756, 60264, 60840, 61535, 61932, 62868, 63180, 64314, 65286, 67093, 68445, 71460, 72540, 73842, 75330, 77415, 78585, 82134, 85752, 87048, 91260, 92898, 94302, 96471, 97929, 98456, 100440, 103220, 104780, 107190, 108810, 109512, 110763, 123070, 123864, 125736, 126360, 128628, 130572, 134186, 136890, 139347, 141453, 142920, 145080, 147684, 150660, 154830, 157170, 159991, 160785, 163215, 164268, 182520, 184605, 185796, 188604, 192942, 195858, 201279, 205335, 206440, 209560, 214380, 217620, 221526, 232245, 235755, 246140, 257256, 261144, 268372, 273780, 278694, 282906, 295368, 301320, 309660, 314340, 319982, 321570, 326430, 328536, 332289, 335465, 369210, 371592, 377208, 385884, 391716, 402558, 410670, 418041, 424359, 428760, 435240, 443052, 464490, 471510, 479973, 482355, 489645, 492280, 536744, 547560, 553815, 557388, 565812, 603837, 619320, 628680, 639964, 643140, 652860, 664578, 670930, 696735, 707265, 738420, 771768, 783432, 799955, 805116, 821340, 836082, 848718, 886104, 928980, 943020, 959946, 964710, 979290, 996867, 1006395, 1107630, 1114776, 1131624, 1207674, 1254123, 1273077, 1279928, 1286280, 1305720, 1329156, 1341860, 1393470, 1414530, 1439919, 1476840, 1599910, 1610232, 1642680, 1661445, 1672164, 1697436, 1811511, 1857960, 1886040, 1919892, 1929420, 1958580, 1993734, 2012790, 2079883, 2090205, 2121795, 2215260, 2399865, 2415348, 2508246, 2546154, 2658312, 2683720, 2786940, 2829060, 2879838, 2990601, 3019185, 3199820, 3322890, 3344328, 3394872, 3623022, 3839784, 3858840, 3917160, 3987468, 4025580, 4159766, 4180410, 4243590, 4319757, 4430520, 4799730, 4830696, 4984335, 5016492, 5092308, 5434533, 5573880, 5658120, 5759676, 5981202, 6038370, 6239649, 6270615, 6365385, 6399640, 6645780, 7199595, 7246044, 7974936, 8051160, 8319532, 8360820, 8487180, 8639514, 9057555, 9599460, 9968670, 10032984, 10184616, 10399415, 10869066, 11519352, 11962404, 12076740, 12479298, 12541230, 12730770, 12959271, 13291560, 14399190, 14492088, 14953005, 16303599, 16639064, 16721640, 16974360, 17279028, 18115110, 18718947, 19198920, 19937340, 20798830, 21598785, 21738132, 23924808, 24153480, 24958596, 25082460, 25461540, 25918542, 27172665, 28798380, 29906010, 31198245, 32607198, 34558056, 36230220, 37437894, 38877813, 39874680, 41597660, 43197570, 43476264, 49917192, 50164920, 50923080, 51837084, 54345330, 56156841, 57596760, 59812020, 62396490, 64796355, 65214396, 72460440, 74875788, 77755626, 81517995, 83195320, 86395140, 93594735, 103674168, 108690660, 112313682, 119624040, 124792980, 129592710, 130428792, 149751576, 155511252, 163035990, 168470523, 172790280, 187189470, 194389065, 217381320, 224627364, 249585960, 259185420, 280784205, 311022504, 326071980, 336941046, 374378940, 388778130, 449254728, 505411569, 518370840, 561568410, 652143960, 673882092, 748757880, 777556260, 842352615, 1010823138, 1123136820, 1347764184, 1555112520, 1684705230, 2021646276, 2246273640, 2527057845, 3369410460, 4043292552, 5054115690, 6738820920, 10108231380, 20216462760]

約数ペア:

[(1, 20216462760), (2, 10108231380), (3, 6738820920), (4, 5054115690), (5, 4043292552), (6, 3369410460), (8, 2527057845), (9, 2246273640), (10, 2021646276), (12, 1684705230), (13, 1555112520), (15, 1347764184), (18, 1123136820), (20, 1010823138), (24, 842352615), (26, 777556260), (27, 748757880), (30, 673882092), (31, 652143960), (36, 561568410), (39, 518370840), (40, 505411569), (45, 449254728), (52, 388778130), (54, 374378940), (60, 336941046), (62, 326071980), (65, 311022504), (72, 280784205), (78, 259185420), (81, 249585960), (90, 224627364), (93, 217381320), (104, 194389065), (108, 187189470), (117, 172790280), (120, 168470523), (124, 163035990), (130, 155511252), (135, 149751576), (155, 130428792), (156, 129592710), (162, 124792980), (169, 119624040), (180, 112313682), (186, 108690660), (195, 103674168), (216, 93594735), (234, 86395140), (243, 83195320), (248, 81517995), (260, 77755626), (270, 74875788), (279, 72460440), (310, 65214396), (312, 64796355), (324, 62396490), (338, 59812020), (351, 57596760), (360, 56156841), (372, 54345330), (390, 51837084), (397, 50923080), (403, 50164920), (405, 49917192), (465, 43476264), (468, 43197570), (486, 41597660), (507, 39874680), (520, 38877813), (540, 37437894), (558, 36230220), (585, 34558056), (620, 32607198), (648, 31198245), (676, 29906010), (702, 28798380), (744, 27172665), (780, 25918542), (794, 25461540), (806, 25082460), (810, 24958596), (837, 24153480), (845, 23924808), (930, 21738132), (936, 21598785), (972, 20798830), (1014, 19937340), (1053, 19198920), (1080, 18718947), (1116, 18115110), (1170, 17279028), (1191, 16974360), (1209, 16721640), (1215, 16639064), (1240, 16303599), (1352, 14953005), (1395, 14492088), (1404, 14399190), (1521, 13291560), (1560, 12959271), (1588, 12730770), (1612, 12541230), (1620, 12479298), (1674, 12076740), (1690, 11962404), (1755, 11519352), (1860, 10869066), (1944, 10399415), (1985, 10184616), (2015, 10032984), (2028, 9968670), (2106, 9599460), (2232, 9057555), (2340, 8639514), (2382, 8487180), (2418, 8360820), (2430, 8319532), (2511, 8051160), (2535, 7974936), (2790, 7246044), (2808, 7199595), (3042, 6645780), (3159, 6399640), (3176, 6365385), (3224, 6270615), (3240, 6239649), (3348, 6038370), (3380, 5981202), (3510, 5759676), (3573, 5658120), (3627, 5573880), (3720, 5434533), (3970, 5092308), (4030, 5016492), (4056, 4984335), (4185, 4830696), (4212, 4799730), (4563, 4430520), (4680, 4319757), (4764, 4243590), (4836, 4180410), (4860, 4159766), (5022, 4025580), (5070, 3987468), (5161, 3917160), (5239, 3858840), (5265, 3839784), (5580, 3623022), (5955, 3394872), (6045, 3344328), (6084, 3322890), (6318, 3199820), (6696, 3019185), (6760, 2990601), (7020, 2879838), (7146, 2829060), (7254, 2786940), (7533, 2683720), (7605, 2658312), (7940, 2546154), (8060, 2508246), (8370, 2415348), (8424, 2399865), (9126, 2215260), (9528, 2121795), (9672, 2090205), (9720, 2079883), (10044, 2012790), (10140, 1993734), (10322, 1958580), (10478, 1929420), (10530, 1919892), (10719, 1886040), (10881, 1857960), (11160, 1811511), (11910, 1697436), (12090, 1672164), (12168, 1661445), (12307, 1642680), (12555, 1610232), (12636, 1599910), (13689, 1476840), (14040, 1439919), (14292, 1414530), (14508, 1393470), (15066, 1341860), (15210, 1329156), (15483, 1305720), (15717, 1286280), (15795, 1279928), (15880, 1273077), (16120, 1254123), (16740, 1207674), (17865, 1131624), (18135, 1114776), (18252, 1107630), (20088, 1006395), (20280, 996867), (20644, 979290), (20956, 964710), (21060, 959946), (21438, 943020), (21762, 928980), (22815, 886104), (23820, 848718), (24180, 836082), (24614, 821340), (25110, 805116), (25272, 799955), (25805, 783432), (26195, 771768), (27378, 738420), (28584, 707265), (29016, 696735), (30132, 670930), (30420, 664578), (30966, 652860), (31434, 643140), (31590, 639964), (32157, 628680), (32643, 619320), (33480, 603837), (35730, 565812), (36270, 557388), (36504, 553815), (36921, 547560), (37665, 536744), (41067, 492280), (41288, 489645), (41912, 482355), (42120, 479973), (42876, 471510), (43524, 464490), (45630, 443052), (46449, 435240), (47151, 428760), (47640, 424359), (48360, 418041), (49228, 410670), (50220, 402558), (51610, 391716), (52390, 385884), (53595, 377208), (54405, 371592), (54756, 369210), (60264, 335465), (60840, 332289), (61535, 328536), (61932, 326430), (62868, 321570), (63180, 319982), (64314, 314340), (65286, 309660), (67093, 301320), (68445, 295368), (71460, 282906), (72540, 278694), (73842, 273780), (75330, 268372), (77415, 261144), (78585, 257256), (82134, 246140), (85752, 235755), (87048, 232245), (91260, 221526), (92898, 217620), (94302, 214380), (96471, 209560), (97929, 206440), (98456, 205335), (100440, 201279), (103220, 195858), (104780, 192942), (107190, 188604), (108810, 185796), (109512, 184605), (110763, 182520), (123070, 164268), (123864, 163215), (125736, 160785), (126360, 159991), (128628, 157170), (130572, 154830), (134186, 150660), (136890, 147684), (139347, 145080), (141453, 142920)]