129407880

素因数分解:

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

素因数の和:154078

約数の個数: 64

約数和(自身を含む): 443687040

約数和(自身を除く): 314279160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 154057, 308114, 462171, 616228, 770285, 924342, 1078399, 1232456, 1540570, 1848684, 2156798, 2310855, 3081140, 3235197, 3697368, 4313596, 4621710, 5391995, 6162280, 6470394, 8627192, 9243420, 10783990, 12940788, 16175985, 18486840, 21567980, 25881576, 32351970, 43135960, 64703940, 129407880]

約数ペア:

[(1, 129407880), (2, 64703940), (3, 43135960), (4, 32351970), (5, 25881576), (6, 21567980), (7, 18486840), (8, 16175985), (10, 12940788), (12, 10783990), (14, 9243420), (15, 8627192), (20, 6470394), (21, 6162280), (24, 5391995), (28, 4621710), (30, 4313596), (35, 3697368), (40, 3235197), (42, 3081140), (56, 2310855), (60, 2156798), (70, 1848684), (84, 1540570), (105, 1232456), (120, 1078399), (140, 924342), (168, 770285), (210, 616228), (280, 462171), (420, 308114), (840, 154057)]