40278840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47951}}^1$

素因数の和:47972

約数の個数: 64

約数和(自身を含む): 138101760

約数和(自身を除く): 97822920

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, 47951, 95902, 143853, 191804, 239755, 287706, 335657, 383608, 479510, 575412, 671314, 719265, 959020, 1006971, 1150824, 1342628, 1438530, 1678285, 1918040, 2013942, 2685256, 2877060, 3356570, 4027884, 5034855, 5754120, 6713140, 8055768, 10069710, 13426280, 20139420, 40278840]

約数ペア:

[(1, 40278840), (2, 20139420), (3, 13426280), (4, 10069710), (5, 8055768), (6, 6713140), (7, 5754120), (8, 5034855), (10, 4027884), (12, 3356570), (14, 2877060), (15, 2685256), (20, 2013942), (21, 1918040), (24, 1678285), (28, 1438530), (30, 1342628), (35, 1150824), (40, 1006971), (42, 959020), (56, 719265), (60, 671314), (70, 575412), (84, 479510), (105, 383608), (120, 335657), (140, 287706), (168, 239755), (210, 191804), (280, 143853), (420, 95902), (840, 47951)]