172790280

素因数分解:

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

素因数の和:461

約数の個数: 256

約数和(自身を含む): 641894400

約数和(自身を除く): 469104120

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, 90, 93, 104, 108, 117, 120, 124, 130, 135, 155, 156, 180, 186, 195, 216, 234, 248, 260, 270, 279, 310, 312, 351, 360, 372, 390, 397, 403, 465, 468, 520, 540, 558, 585, 620, 702, 744, 780, 794, 806, 837, 930, 936, 1080, 1116, 1170, 1191, 1209, 1240, 1395, 1404, 1560, 1588, 1612, 1674, 1755, 1860, 1985, 2015, 2232, 2340, 2382, 2418, 2790, 2808, 3176, 3224, 3348, 3510, 3573, 3627, 3720, 3970, 4030, 4185, 4680, 4764, 4836, 5161, 5580, 5955, 6045, 6696, 7020, 7146, 7254, 7940, 8060, 8370, 9528, 9672, 10322, 10719, 10881, 11160, 11910, 12090, 12307, 14040, 14292, 14508, 15483, 15880, 16120, 16740, 17865, 18135, 20644, 21438, 21762, 23820, 24180, 24614, 25805, 28584, 29016, 30966, 33480, 35730, 36270, 36921, 41288, 42876, 43524, 46449, 47640, 48360, 49228, 51610, 53595, 54405, 61535, 61932, 71460, 72540, 73842, 77415, 85752, 87048, 92898, 98456, 103220, 107190, 108810, 110763, 123070, 123864, 139347, 142920, 145080, 147684, 154830, 159991, 184605, 185796, 206440, 214380, 217620, 221526, 232245, 246140, 278694, 295368, 309660, 319982, 332289, 369210, 371592, 428760, 435240, 443052, 464490, 479973, 492280, 553815, 557388, 619320, 639964, 664578, 696735, 738420, 799955, 886104, 928980, 959946, 1107630, 1114776, 1279928, 1329156, 1393470, 1439919, 1476840, 1599910, 1661445, 1857960, 1919892, 2215260, 2399865, 2658312, 2786940, 2879838, 3199820, 3322890, 3839784, 4319757, 4430520, 4799730, 5573880, 5759676, 6399640, 6645780, 7199595, 8639514, 9599460, 11519352, 13291560, 14399190, 17279028, 19198920, 21598785, 28798380, 34558056, 43197570, 57596760, 86395140, 172790280]

約数ペア:

[(1, 172790280), (2, 86395140), (3, 57596760), (4, 43197570), (5, 34558056), (6, 28798380), (8, 21598785), (9, 19198920), (10, 17279028), (12, 14399190), (13, 13291560), (15, 11519352), (18, 9599460), (20, 8639514), (24, 7199595), (26, 6645780), (27, 6399640), (30, 5759676), (31, 5573880), (36, 4799730), (39, 4430520), (40, 4319757), (45, 3839784), (52, 3322890), (54, 3199820), (60, 2879838), (62, 2786940), (65, 2658312), (72, 2399865), (78, 2215260), (90, 1919892), (93, 1857960), (104, 1661445), (108, 1599910), (117, 1476840), (120, 1439919), (124, 1393470), (130, 1329156), (135, 1279928), (155, 1114776), (156, 1107630), (180, 959946), (186, 928980), (195, 886104), (216, 799955), (234, 738420), (248, 696735), (260, 664578), (270, 639964), (279, 619320), (310, 557388), (312, 553815), (351, 492280), (360, 479973), (372, 464490), (390, 443052), (397, 435240), (403, 428760), (465, 371592), (468, 369210), (520, 332289), (540, 319982), (558, 309660), (585, 295368), (620, 278694), (702, 246140), (744, 232245), (780, 221526), (794, 217620), (806, 214380), (837, 206440), (930, 185796), (936, 184605), (1080, 159991), (1116, 154830), (1170, 147684), (1191, 145080), (1209, 142920), (1240, 139347), (1395, 123864), (1404, 123070), (1560, 110763), (1588, 108810), (1612, 107190), (1674, 103220), (1755, 98456), (1860, 92898), (1985, 87048), (2015, 85752), (2232, 77415), (2340, 73842), (2382, 72540), (2418, 71460), (2790, 61932), (2808, 61535), (3176, 54405), (3224, 53595), (3348, 51610), (3510, 49228), (3573, 48360), (3627, 47640), (3720, 46449), (3970, 43524), (4030, 42876), (4185, 41288), (4680, 36921), (4764, 36270), (4836, 35730), (5161, 33480), (5580, 30966), (5955, 29016), (6045, 28584), (6696, 25805), (7020, 24614), (7146, 24180), (7254, 23820), (7940, 21762), (8060, 21438), (8370, 20644), (9528, 18135), (9672, 17865), (10322, 16740), (10719, 16120), (10881, 15880), (11160, 15483), (11910, 14508), (12090, 14292), (12307, 14040)]