90481040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{241}}^1$

素因数の和:305

約数の個数: 120

約数和(自身を含む): 240094008

約数和(自身を除く): 149612968

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 241, 247, 260, 304, 361, 380, 482, 494, 520, 722, 760, 964, 988, 1040, 1205, 1235, 1444, 1520, 1805, 1928, 1976, 2410, 2470, 2888, 3133, 3610, 3856, 3952, 4579, 4693, 4820, 4940, 5776, 6266, 7220, 9158, 9386, 9640, 9880, 12532, 14440, 15665, 18316, 18772, 19280, 19760, 22895, 23465, 25064, 28880, 31330, 36632, 37544, 45790, 46930, 50128, 59527, 62660, 73264, 75088, 87001, 91580, 93860, 119054, 125320, 174002, 183160, 187720, 238108, 250640, 297635, 348004, 366320, 375440, 435005, 476216, 595270, 696008, 870010, 952432, 1131013, 1190540, 1392016, 1740020, 2262026, 2381080, 3480040, 4524052, 4762160, 5655065, 6960080, 9048104, 11310130, 18096208, 22620260, 45240520, 90481040]

約数ペア:

[(1, 90481040), (2, 45240520), (4, 22620260), (5, 18096208), (8, 11310130), (10, 9048104), (13, 6960080), (16, 5655065), (19, 4762160), (20, 4524052), (26, 3480040), (38, 2381080), (40, 2262026), (52, 1740020), (65, 1392016), (76, 1190540), (80, 1131013), (95, 952432), (104, 870010), (130, 696008), (152, 595270), (190, 476216), (208, 435005), (241, 375440), (247, 366320), (260, 348004), (304, 297635), (361, 250640), (380, 238108), (482, 187720), (494, 183160), (520, 174002), (722, 125320), (760, 119054), (964, 93860), (988, 91580), (1040, 87001), (1205, 75088), (1235, 73264), (1444, 62660), (1520, 59527), (1805, 50128), (1928, 46930), (1976, 45790), (2410, 37544), (2470, 36632), (2888, 31330), (3133, 28880), (3610, 25064), (3856, 23465), (3952, 22895), (4579, 19760), (4693, 19280), (4820, 18772), (4940, 18316), (5776, 15665), (6266, 14440), (7220, 12532), (9158, 9880), (9386, 9640)]