66445260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{563}}^1$

素因数の和:863

約数の個数: 96

約数和(自身を含む): 213760512

約数和(自身を除く): 147315252

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, 563, 843, 1124, 1126, 1405, 1686, 1689, 1967, 2252, 2810, 2815, 3372, 3378, 3934, 3941, 4215, 5620, 5630, 5901, 6756, 7868, 7882, 8430, 8445, 9835, 11260, 11802, 11823, 15764, 16860, 16890, 19670, 19705, 23604, 23646, 29505, 33780, 39340, 39410, 47292, 59010, 59115, 78820, 118020, 118230, 158203, 236460, 316406, 474609, 632812, 791015, 949218, 1107421, 1582030, 1898436, 2214842, 2373045, 3164060, 3322263, 4429684, 4746090, 5537105, 6644526, 9492180, 11074210, 13289052, 16611315, 22148420, 33222630, 66445260]

約数ペア:

[(1, 66445260), (2, 33222630), (3, 22148420), (4, 16611315), (5, 13289052), (6, 11074210), (7, 9492180), (10, 6644526), (12, 5537105), (14, 4746090), (15, 4429684), (20, 3322263), (21, 3164060), (28, 2373045), (30, 2214842), (35, 1898436), (42, 1582030), (60, 1107421), (70, 949218), (84, 791015), (105, 632812), (140, 474609), (210, 316406), (281, 236460), (420, 158203), (562, 118230), (563, 118020), (843, 78820), (1124, 59115), (1126, 59010), (1405, 47292), (1686, 39410), (1689, 39340), (1967, 33780), (2252, 29505), (2810, 23646), (2815, 23604), (3372, 19705), (3378, 19670), (3934, 16890), (3941, 16860), (4215, 15764), (5620, 11823), (5630, 11802), (5901, 11260), (6756, 9835), (7868, 8445), (7882, 8430)]