642256320

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{5107}}^1$

素因数の和:5258

約数の個数: 112

約数和(自身を含む): 2055132288

約数和(自身を除く): 1412875968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 131, 160, 192, 240, 262, 320, 393, 480, 524, 655, 786, 960, 1048, 1310, 1572, 1965, 2096, 2620, 3144, 3930, 4192, 5107, 5240, 6288, 7860, 8384, 10214, 10480, 12576, 15321, 15720, 20428, 20960, 25152, 25535, 30642, 31440, 40856, 41920, 51070, 61284, 62880, 76605, 81712, 102140, 122568, 125760, 153210, 163424, 204280, 245136, 306420, 326848, 408560, 490272, 612840, 669017, 817120, 980544, 1225680, 1338034, 1634240, 2007051, 2451360, 2676068, 3345085, 4014102, 4902720, 5352136, 6690170, 8028204, 10035255, 10704272, 13380340, 16056408, 20070510, 21408544, 26760680, 32112816, 40141020, 42817088, 53521360, 64225632, 80282040, 107042720, 128451264, 160564080, 214085440, 321128160, 642256320]

約数ペア:

[(1, 642256320), (2, 321128160), (3, 214085440), (4, 160564080), (5, 128451264), (6, 107042720), (8, 80282040), (10, 64225632), (12, 53521360), (15, 42817088), (16, 40141020), (20, 32112816), (24, 26760680), (30, 21408544), (32, 20070510), (40, 16056408), (48, 13380340), (60, 10704272), (64, 10035255), (80, 8028204), (96, 6690170), (120, 5352136), (131, 4902720), (160, 4014102), (192, 3345085), (240, 2676068), (262, 2451360), (320, 2007051), (393, 1634240), (480, 1338034), (524, 1225680), (655, 980544), (786, 817120), (960, 669017), (1048, 612840), (1310, 490272), (1572, 408560), (1965, 326848), (2096, 306420), (2620, 245136), (3144, 204280), (3930, 163424), (4192, 153210), (5107, 125760), (5240, 122568), (6288, 102140), (7860, 81712), (8384, 76605), (10214, 62880), (10480, 61284), (12576, 51070), (15321, 41920), (15720, 40856), (20428, 31440), (20960, 30642), (25152, 25535)]