66072710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:521

約数の個数: 64

約数和(自身を含む): 139268160

約数和(自身を除く): 73195450

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 89, 110, 170, 178, 187, 374, 397, 445, 794, 890, 935, 979, 1513, 1870, 1958, 1985, 3026, 3970, 4367, 4895, 6749, 7565, 8734, 9790, 13498, 15130, 16643, 21835, 33286, 33745, 35333, 43670, 67490, 70666, 74239, 83215, 148478, 166430, 176665, 353330, 371195, 388663, 600661, 742390, 777326, 1201322, 1943315, 3003305, 3886630, 6006610, 6607271, 13214542, 33036355, 66072710]

約数ペア:

[(1, 66072710), (2, 33036355), (5, 13214542), (10, 6607271), (11, 6006610), (17, 3886630), (22, 3003305), (34, 1943315), (55, 1201322), (85, 777326), (89, 742390), (110, 600661), (170, 388663), (178, 371195), (187, 353330), (374, 176665), (397, 166430), (445, 148478), (794, 83215), (890, 74239), (935, 70666), (979, 67490), (1513, 43670), (1870, 35333), (1958, 33745), (1985, 33286), (3026, 21835), (3970, 16643), (4367, 15130), (4895, 13498), (6749, 9790), (7565, 8734)]