64703940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{154057}}^1$

素因数の和:154076

約数の個数: 48

約数和(自身を含む): 207053952

約数和(自身を除く): 142350012

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 154057, 308114, 462171, 616228, 770285, 924342, 1078399, 1540570, 1848684, 2156798, 2310855, 3081140, 3235197, 4313596, 4621710, 5391995, 6470394, 9243420, 10783990, 12940788, 16175985, 21567980, 32351970, 64703940]

約数ペア:

[(1, 64703940), (2, 32351970), (3, 21567980), (4, 16175985), (5, 12940788), (6, 10783990), (7, 9243420), (10, 6470394), (12, 5391995), (14, 4621710), (15, 4313596), (20, 3235197), (21, 3081140), (28, 2310855), (30, 2156798), (35, 1848684), (42, 1540570), (60, 1078399), (70, 924342), (84, 770285), (105, 616228), (140, 462171), (210, 308114), (420, 154057)]