79899540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{677}}^1$

素因数の和:977

約数の個数: 96

約数和(自身を含む): 256967424

約数和(自身を除く): 177067884

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, 281, 420, 562, 677, 843, 1124, 1354, 1405, 1686, 1967, 2031, 2708, 2810, 3372, 3385, 3934, 4062, 4215, 4739, 5620, 5901, 6770, 7868, 8124, 8430, 9478, 9835, 10155, 11802, 13540, 14217, 16860, 18956, 19670, 20310, 23604, 23695, 28434, 29505, 39340, 40620, 47390, 56868, 59010, 71085, 94780, 118020, 142170, 190237, 284340, 380474, 570711, 760948, 951185, 1141422, 1331659, 1902370, 2282844, 2663318, 2853555, 3804740, 3994977, 5326636, 5707110, 6658295, 7989954, 11414220, 13316590, 15979908, 19974885, 26633180, 39949770, 79899540]

約数ペア:

[(1, 79899540), (2, 39949770), (3, 26633180), (4, 19974885), (5, 15979908), (6, 13316590), (7, 11414220), (10, 7989954), (12, 6658295), (14, 5707110), (15, 5326636), (20, 3994977), (21, 3804740), (28, 2853555), (30, 2663318), (35, 2282844), (42, 1902370), (60, 1331659), (70, 1141422), (84, 951185), (105, 760948), (140, 570711), (210, 380474), (281, 284340), (420, 190237), (562, 142170), (677, 118020), (843, 94780), (1124, 71085), (1354, 59010), (1405, 56868), (1686, 47390), (1967, 40620), (2031, 39340), (2708, 29505), (2810, 28434), (3372, 23695), (3385, 23604), (3934, 20310), (4062, 19670), (4215, 18956), (4739, 16860), (5620, 14217), (5901, 13540), (6770, 11802), (7868, 10155), (8124, 9835), (8430, 9478)]