255228540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{1091}}^1$

素因数の和:1667

約数の個数: 96

約数和(自身を含む): 818947584

約数和(自身を除く): 563719044

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, 557, 1091, 1114, 1671, 2182, 2228, 2785, 3273, 3342, 3899, 4364, 5455, 5570, 6546, 6684, 7637, 7798, 8355, 10910, 11140, 11697, 13092, 15274, 15596, 16365, 16710, 19495, 21820, 22911, 23394, 30548, 32730, 33420, 38185, 38990, 45822, 46788, 58485, 65460, 76370, 77980, 91644, 114555, 116970, 152740, 229110, 233940, 458220, 607687, 1215374, 1823061, 2430748, 3038435, 3646122, 4253809, 6076870, 7292244, 8507618, 9115305, 12153740, 12761427, 17015236, 18230610, 21269045, 25522854, 36461220, 42538090, 51045708, 63807135, 85076180, 127614270, 255228540]

約数ペア:

[(1, 255228540), (2, 127614270), (3, 85076180), (4, 63807135), (5, 51045708), (6, 42538090), (7, 36461220), (10, 25522854), (12, 21269045), (14, 18230610), (15, 17015236), (20, 12761427), (21, 12153740), (28, 9115305), (30, 8507618), (35, 7292244), (42, 6076870), (60, 4253809), (70, 3646122), (84, 3038435), (105, 2430748), (140, 1823061), (210, 1215374), (420, 607687), (557, 458220), (1091, 233940), (1114, 229110), (1671, 152740), (2182, 116970), (2228, 114555), (2785, 91644), (3273, 77980), (3342, 76370), (3899, 65460), (4364, 58485), (5455, 46788), (5570, 45822), (6546, 38990), (6684, 38185), (7637, 33420), (7798, 32730), (8355, 30548), (10910, 23394), (11140, 22911), (11697, 21820), (13092, 19495), (15274, 16710), (15596, 16365)]