51575940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 240

約数和(自身を含む): 182138880

約数和(自身を除く): 130562940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 31, 36, 39, 45, 52, 54, 60, 62, 65, 78, 79, 81, 90, 93, 108, 117, 124, 130, 135, 155, 156, 158, 162, 180, 186, 195, 234, 237, 260, 270, 279, 310, 316, 324, 351, 372, 390, 395, 403, 405, 465, 468, 474, 540, 558, 585, 620, 702, 711, 780, 790, 806, 810, 837, 930, 948, 1027, 1053, 1116, 1170, 1185, 1209, 1395, 1404, 1422, 1580, 1612, 1620, 1674, 1755, 1860, 2015, 2054, 2106, 2133, 2340, 2370, 2418, 2449, 2511, 2790, 2844, 3081, 3348, 3510, 3555, 3627, 4030, 4108, 4185, 4212, 4266, 4740, 4836, 4898, 5022, 5135, 5265, 5580, 6045, 6162, 6399, 7020, 7110, 7254, 7347, 8060, 8370, 8532, 9243, 9796, 10044, 10270, 10530, 10665, 10881, 12090, 12245, 12324, 12555, 12798, 14220, 14508, 14694, 15405, 16740, 18135, 18486, 20540, 21060, 21330, 21762, 22041, 24180, 24490, 25110, 25596, 27729, 29388, 30810, 31837, 31995, 32643, 36270, 36735, 36972, 42660, 43524, 44082, 46215, 48980, 50220, 54405, 55458, 61620, 63674, 63990, 65286, 66123, 72540, 73470, 83187, 88164, 92430, 95511, 108810, 110205, 110916, 127348, 127980, 130572, 132246, 138645, 146940, 159185, 163215, 166374, 184860, 191022, 198369, 217620, 220410, 264492, 277290, 286533, 318370, 326430, 330615, 332748, 382044, 396738, 415935, 440820, 477555, 554580, 573066, 636740, 652860, 661230, 793476, 831870, 859599, 955110, 991845, 1146132, 1322460, 1432665, 1663740, 1719198, 1910220, 1983690, 2578797, 2865330, 3438396, 3967380, 4297995, 5157594, 5730660, 8595990, 10315188, 12893985, 17191980, 25787970, 51575940]

約数ペア:

[(1, 51575940), (2, 25787970), (3, 17191980), (4, 12893985), (5, 10315188), (6, 8595990), (9, 5730660), (10, 5157594), (12, 4297995), (13, 3967380), (15, 3438396), (18, 2865330), (20, 2578797), (26, 1983690), (27, 1910220), (30, 1719198), (31, 1663740), (36, 1432665), (39, 1322460), (45, 1146132), (52, 991845), (54, 955110), (60, 859599), (62, 831870), (65, 793476), (78, 661230), (79, 652860), (81, 636740), (90, 573066), (93, 554580), (108, 477555), (117, 440820), (124, 415935), (130, 396738), (135, 382044), (155, 332748), (156, 330615), (158, 326430), (162, 318370), (180, 286533), (186, 277290), (195, 264492), (234, 220410), (237, 217620), (260, 198369), (270, 191022), (279, 184860), (310, 166374), (316, 163215), (324, 159185), (351, 146940), (372, 138645), (390, 132246), (395, 130572), (403, 127980), (405, 127348), (465, 110916), (468, 110205), (474, 108810), (540, 95511), (558, 92430), (585, 88164), (620, 83187), (702, 73470), (711, 72540), (780, 66123), (790, 65286), (806, 63990), (810, 63674), (837, 61620), (930, 55458), (948, 54405), (1027, 50220), (1053, 48980), (1116, 46215), (1170, 44082), (1185, 43524), (1209, 42660), (1395, 36972), (1404, 36735), (1422, 36270), (1580, 32643), (1612, 31995), (1620, 31837), (1674, 30810), (1755, 29388), (1860, 27729), (2015, 25596), (2054, 25110), (2106, 24490), (2133, 24180), (2340, 22041), (2370, 21762), (2418, 21330), (2449, 21060), (2511, 20540), (2790, 18486), (2844, 18135), (3081, 16740), (3348, 15405), (3510, 14694), (3555, 14508), (3627, 14220), (4030, 12798), (4108, 12555), (4185, 12324), (4212, 12245), (4266, 12090), (4740, 10881), (4836, 10665), (4898, 10530), (5022, 10270), (5135, 10044), (5265, 9796), (5580, 9243), (6045, 8532), (6162, 8370), (6399, 8060), (7020, 7347), (7110, 7254)]