20455710840

素因数分解:

$2^3\times 3^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:479

約数の個数: 512

約数和(自身を含む): 75193344000

約数和(自身を除く): 54737633160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 31, 36, 38, 40, 45, 54, 57, 60, 62, 72, 76, 81, 90, 93, 95, 108, 114, 120, 124, 135, 152, 155, 162, 171, 180, 186, 190, 216, 228, 243, 248, 270, 279, 285, 310, 324, 342, 360, 372, 380, 397, 405, 456, 465, 486, 513, 540, 558, 570, 589, 620, 648, 684, 729, 744, 760, 794, 810, 837, 855, 930, 972, 1026, 1080, 1116, 1140, 1178, 1191, 1215, 1240, 1368, 1395, 1458, 1539, 1588, 1620, 1674, 1710, 1767, 1860, 1944, 1985, 2052, 2187, 2232, 2280, 2356, 2382, 2430, 2511, 2565, 2790, 2916, 2945, 3078, 3176, 3240, 3348, 3420, 3534, 3573, 3645, 3720, 3970, 4104, 4185, 4374, 4617, 4712, 4764, 4860, 5022, 5130, 5301, 5580, 5832, 5890, 5955, 6156, 6696, 6840, 7068, 7146, 7290, 7533, 7543, 7695, 7940, 8370, 8748, 8835, 9234, 9528, 9720, 10044, 10260, 10602, 10719, 10935, 11160, 11780, 11910, 12307, 12312, 12555, 13851, 14136, 14292, 14580, 15066, 15086, 15390, 15880, 15903, 16740, 17496, 17670, 17865, 18468, 20088, 20520, 21204, 21438, 21870, 22599, 22629, 23085, 23560, 23820, 24614, 25110, 26505, 27702, 28584, 29160, 30132, 30172, 30780, 31806, 32157, 33480, 35340, 35730, 36921, 36936, 37665, 37715, 41553, 42408, 42876, 43740, 45198, 45258, 46170, 47640, 47709, 49228, 50220, 53010, 53595, 55404, 60264, 60344, 61535, 61560, 63612, 64314, 67797, 67887, 69255, 70680, 71460, 73842, 75330, 75430, 79515, 83106, 85752, 87480, 90396, 90516, 92340, 95418, 96471, 98456, 100440, 106020, 107190, 110763, 110808, 112995, 113145, 123070, 127224, 128628, 135594, 135774, 138510, 142920, 143127, 147684, 150660, 150860, 159030, 160785, 166212, 180792, 181032, 184605, 184680, 190836, 192942, 203661, 207765, 212040, 214380, 221526, 225990, 226290, 233833, 238545, 246140, 257256, 271188, 271548, 277020, 286254, 289413, 295368, 301320, 301720, 318060, 321570, 332289, 332424, 338985, 339435, 369210, 381672, 385884, 407322, 415530, 428760, 429381, 443052, 451980, 452580, 467666, 477090, 482355, 492280, 542376, 543096, 553815, 554040, 572508, 578826, 610983, 636120, 643140, 664578, 677970, 678870, 701499, 715635, 738420, 771768, 814644, 831060, 858762, 868239, 886104, 903960, 905160, 935332, 954180, 964710, 996867, 1018305, 1107630, 1145016, 1157652, 1169165, 1221966, 1286280, 1288143, 1329156, 1355940, 1357740, 1402998, 1431270, 1447065, 1476840, 1629288, 1661445, 1662120, 1717524, 1736478, 1832949, 1870664, 1908360, 1929420, 1993734, 2036610, 2104497, 2146905, 2215260, 2315304, 2338330, 2443932, 2576286, 2658312, 2711880, 2715480, 2805996, 2862540, 2894130, 2990601, 3054915, 3322890, 3435048, 3472956, 3507495, 3665898, 3858840, 3987468, 4073220, 4208994, 4293810, 4341195, 4430520, 4676660, 4887864, 4984335, 5152572, 5498847, 5611992, 5725080, 5788260, 5981202, 6109830, 6313491, 6440715, 6645780, 6945912, 7014990, 7331796, 7974936, 8146440, 8417988, 8587620, 8682390, 8971803, 9164745, 9353320, 9968670, 10305144, 10522485, 10997694, 11576520, 11962404, 12219660, 12626982, 12881430, 13291560, 14029980, 14663592, 14953005, 16496541, 16835976, 17175240, 17364780, 17943606, 18329490, 18940473, 19937340, 21044970, 21995388, 23924808, 24439320, 25253964, 25762860, 26915409, 27494235, 28059960, 29906010, 31567455, 32993082, 34729560, 35887212, 36658980, 37880946, 39874680, 42089940, 43990776, 44859015, 50507928, 51525720, 53830818, 54988470, 56821419, 59812020, 63134910, 65986164, 71774424, 73317960, 75761892, 82482705, 84179880, 89718030, 94702365, 107661636, 109976940, 113642838, 119624040, 126269820, 131972328, 134577045, 151523784, 164965410, 170464257, 179436060, 189404730, 215323272, 219953880, 227285676, 252539640, 269154090, 284107095, 329930820, 340928514, 358872120, 378809460, 454571352, 511392771, 538308180, 568214190, 659861640, 681857028, 757618920, 852321285, 1022785542, 1076616360, 1136428380, 1363714056, 1704642570, 2045571084, 2272856760, 2556963855, 3409285140, 4091142168, 5113927710, 6818570280, 10227855420, 20455710840]

約数ペア:

[(1, 20455710840), (2, 10227855420), (3, 6818570280), (4, 5113927710), (5, 4091142168), (6, 3409285140), (8, 2556963855), (9, 2272856760), (10, 2045571084), (12, 1704642570), (15, 1363714056), (18, 1136428380), (19, 1076616360), (20, 1022785542), (24, 852321285), (27, 757618920), (30, 681857028), (31, 659861640), (36, 568214190), (38, 538308180), (40, 511392771), (45, 454571352), (54, 378809460), (57, 358872120), (60, 340928514), (62, 329930820), (72, 284107095), (76, 269154090), (81, 252539640), (90, 227285676), (93, 219953880), (95, 215323272), (108, 189404730), (114, 179436060), (120, 170464257), (124, 164965410), (135, 151523784), (152, 134577045), (155, 131972328), (162, 126269820), (171, 119624040), (180, 113642838), (186, 109976940), (190, 107661636), (216, 94702365), (228, 89718030), (243, 84179880), (248, 82482705), (270, 75761892), (279, 73317960), (285, 71774424), (310, 65986164), (324, 63134910), (342, 59812020), (360, 56821419), (372, 54988470), (380, 53830818), (397, 51525720), (405, 50507928), (456, 44859015), (465, 43990776), (486, 42089940), (513, 39874680), (540, 37880946), (558, 36658980), (570, 35887212), (589, 34729560), (620, 32993082), (648, 31567455), (684, 29906010), (729, 28059960), (744, 27494235), (760, 26915409), (794, 25762860), (810, 25253964), (837, 24439320), (855, 23924808), (930, 21995388), (972, 21044970), (1026, 19937340), (1080, 18940473), (1116, 18329490), (1140, 17943606), (1178, 17364780), (1191, 17175240), (1215, 16835976), (1240, 16496541), (1368, 14953005), (1395, 14663592), (1458, 14029980), (1539, 13291560), (1588, 12881430), (1620, 12626982), (1674, 12219660), (1710, 11962404), (1767, 11576520), (1860, 10997694), (1944, 10522485), (1985, 10305144), (2052, 9968670), (2187, 9353320), (2232, 9164745), (2280, 8971803), (2356, 8682390), (2382, 8587620), (2430, 8417988), (2511, 8146440), (2565, 7974936), (2790, 7331796), (2916, 7014990), (2945, 6945912), (3078, 6645780), (3176, 6440715), (3240, 6313491), (3348, 6109830), (3420, 5981202), (3534, 5788260), (3573, 5725080), (3645, 5611992), (3720, 5498847), (3970, 5152572), (4104, 4984335), (4185, 4887864), (4374, 4676660), (4617, 4430520), (4712, 4341195), (4764, 4293810), (4860, 4208994), (5022, 4073220), (5130, 3987468), (5301, 3858840), (5580, 3665898), (5832, 3507495), (5890, 3472956), (5955, 3435048), (6156, 3322890), (6696, 3054915), (6840, 2990601), (7068, 2894130), (7146, 2862540), (7290, 2805996), (7533, 2715480), (7543, 2711880), (7695, 2658312), (7940, 2576286), (8370, 2443932), (8748, 2338330), (8835, 2315304), (9234, 2215260), (9528, 2146905), (9720, 2104497), (10044, 2036610), (10260, 1993734), (10602, 1929420), (10719, 1908360), (10935, 1870664), (11160, 1832949), (11780, 1736478), (11910, 1717524), (12307, 1662120), (12312, 1661445), (12555, 1629288), (13851, 1476840), (14136, 1447065), (14292, 1431270), (14580, 1402998), (15066, 1357740), (15086, 1355940), (15390, 1329156), (15880, 1288143), (15903, 1286280), (16740, 1221966), (17496, 1169165), (17670, 1157652), (17865, 1145016), (18468, 1107630), (20088, 1018305), (20520, 996867), (21204, 964710), (21438, 954180), (21870, 935332), (22599, 905160), (22629, 903960), (23085, 886104), (23560, 868239), (23820, 858762), (24614, 831060), (25110, 814644), (26505, 771768), (27702, 738420), (28584, 715635), (29160, 701499), (30132, 678870), (30172, 677970), (30780, 664578), (31806, 643140), (32157, 636120), (33480, 610983), (35340, 578826), (35730, 572508), (36921, 554040), (36936, 553815), (37665, 543096), (37715, 542376), (41553, 492280), (42408, 482355), (42876, 477090), (43740, 467666), (45198, 452580), (45258, 451980), (46170, 443052), (47640, 429381), (47709, 428760), (49228, 415530), (50220, 407322), (53010, 385884), (53595, 381672), (55404, 369210), (60264, 339435), (60344, 338985), (61535, 332424), (61560, 332289), (63612, 321570), (64314, 318060), (67797, 301720), (67887, 301320), (69255, 295368), (70680, 289413), (71460, 286254), (73842, 277020), (75330, 271548), (75430, 271188), (79515, 257256), (83106, 246140), (85752, 238545), (87480, 233833), (90396, 226290), (90516, 225990), (92340, 221526), (95418, 214380), (96471, 212040), (98456, 207765), (100440, 203661), (106020, 192942), (107190, 190836), (110763, 184680), (110808, 184605), (112995, 181032), (113145, 180792), (123070, 166212), (127224, 160785), (128628, 159030), (135594, 150860), (135774, 150660), (138510, 147684), (142920, 143127)]