65791880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{521}}^1$

素因数の和:591

約数の個数: 128

約数和(自身を含む): 189423360

約数和(自身を除く): 123631480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 41, 44, 55, 56, 70, 77, 82, 88, 110, 140, 154, 164, 205, 220, 280, 287, 308, 328, 385, 410, 440, 451, 521, 574, 616, 770, 820, 902, 1042, 1148, 1435, 1540, 1640, 1804, 2084, 2255, 2296, 2605, 2870, 3080, 3157, 3608, 3647, 4168, 4510, 5210, 5731, 5740, 6314, 7294, 9020, 10420, 11462, 11480, 12628, 14588, 15785, 18040, 18235, 20840, 21361, 22924, 25256, 28655, 29176, 31570, 36470, 40117, 42722, 45848, 57310, 63140, 72940, 80234, 85444, 106805, 114620, 126280, 145880, 149527, 160468, 170888, 200585, 213610, 229240, 234971, 299054, 320936, 401170, 427220, 469942, 598108, 747635, 802340, 854440, 939884, 1174855, 1196216, 1495270, 1604680, 1644797, 1879768, 2349710, 2990540, 3289594, 4699420, 5981080, 6579188, 8223985, 9398840, 13158376, 16447970, 32895940, 65791880]

約数ペア:

[(1, 65791880), (2, 32895940), (4, 16447970), (5, 13158376), (7, 9398840), (8, 8223985), (10, 6579188), (11, 5981080), (14, 4699420), (20, 3289594), (22, 2990540), (28, 2349710), (35, 1879768), (40, 1644797), (41, 1604680), (44, 1495270), (55, 1196216), (56, 1174855), (70, 939884), (77, 854440), (82, 802340), (88, 747635), (110, 598108), (140, 469942), (154, 427220), (164, 401170), (205, 320936), (220, 299054), (280, 234971), (287, 229240), (308, 213610), (328, 200585), (385, 170888), (410, 160468), (440, 149527), (451, 145880), (521, 126280), (574, 114620), (616, 106805), (770, 85444), (820, 80234), (902, 72940), (1042, 63140), (1148, 57310), (1435, 45848), (1540, 42722), (1640, 40117), (1804, 36470), (2084, 31570), (2255, 29176), (2296, 28655), (2605, 25256), (2870, 22924), (3080, 21361), (3157, 20840), (3608, 18235), (3647, 18040), (4168, 15785), (4510, 14588), (5210, 12628), (5731, 11480), (5740, 11462), (6314, 10420), (7294, 9020)]