127619960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12917}}^1$

素因数の和:12960

約数の個数: 64

約数和(自身を含む): 325533600

約数和(自身を除く): 197913640

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, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 12917, 25834, 51668, 64585, 103336, 129170, 167921, 245423, 258340, 335842, 490846, 516680, 671684, 839605, 981692, 1227115, 1343368, 1679210, 1963384, 2454230, 3190499, 3358420, 4908460, 6380998, 6716840, 9816920, 12761996, 15952495, 25523992, 31904990, 63809980, 127619960]

約数ペア:

[(1, 127619960), (2, 63809980), (4, 31904990), (5, 25523992), (8, 15952495), (10, 12761996), (13, 9816920), (19, 6716840), (20, 6380998), (26, 4908460), (38, 3358420), (40, 3190499), (52, 2454230), (65, 1963384), (76, 1679210), (95, 1343368), (104, 1227115), (130, 981692), (152, 839605), (190, 671684), (247, 516680), (260, 490846), (380, 335842), (494, 258340), (520, 245423), (760, 167921), (988, 129170), (1235, 103336), (1976, 64585), (2470, 51668), (4940, 25834), (9880, 12917)]