72730480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{811}}^1$

素因数の和:902

約数の個数: 80

約数和(自身を含む): 181238400

約数和(自身を除く): 108507920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 59, 76, 80, 95, 118, 152, 190, 236, 295, 304, 380, 472, 590, 760, 811, 944, 1121, 1180, 1520, 1622, 2242, 2360, 3244, 4055, 4484, 4720, 5605, 6488, 8110, 8968, 11210, 12976, 15409, 16220, 17936, 22420, 30818, 32440, 44840, 47849, 61636, 64880, 77045, 89680, 95698, 123272, 154090, 191396, 239245, 246544, 308180, 382792, 478490, 616360, 765584, 909131, 956980, 1232720, 1818262, 1913960, 3636524, 3827920, 4545655, 7273048, 9091310, 14546096, 18182620, 36365240, 72730480]

約数ペア:

[(1, 72730480), (2, 36365240), (4, 18182620), (5, 14546096), (8, 9091310), (10, 7273048), (16, 4545655), (19, 3827920), (20, 3636524), (38, 1913960), (40, 1818262), (59, 1232720), (76, 956980), (80, 909131), (95, 765584), (118, 616360), (152, 478490), (190, 382792), (236, 308180), (295, 246544), (304, 239245), (380, 191396), (472, 154090), (590, 123272), (760, 95698), (811, 89680), (944, 77045), (1121, 64880), (1180, 61636), (1520, 47849), (1622, 44840), (2242, 32440), (2360, 30818), (3244, 22420), (4055, 17936), (4484, 16220), (4720, 15409), (5605, 12976), (6488, 11210), (8110, 8968)]