3131960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 8013600

約数和(自身を除く): 4881640

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 317, 380, 494, 520, 634, 760, 988, 1235, 1268, 1585, 1976, 2470, 2536, 3170, 4121, 4940, 6023, 6340, 8242, 9880, 12046, 12680, 16484, 20605, 24092, 30115, 32968, 41210, 48184, 60230, 78299, 82420, 120460, 156598, 164840, 240920, 313196, 391495, 626392, 782990, 1565980, 3131960]

約数ペア:

[(1, 3131960), (2, 1565980), (4, 782990), (5, 626392), (8, 391495), (10, 313196), (13, 240920), (19, 164840), (20, 156598), (26, 120460), (38, 82420), (40, 78299), (52, 60230), (65, 48184), (76, 41210), (95, 32968), (104, 30115), (130, 24092), (152, 20605), (190, 16484), (247, 12680), (260, 12046), (317, 9880), (380, 8242), (494, 6340), (520, 6023), (634, 4940), (760, 4121), (988, 3170), (1235, 2536), (1268, 2470), (1585, 1976)]