64733720

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{229}}^1$

素因数の和:468

約数の個数: 64

約数和(自身を含む): 151027200

約数和(自身を除く): 86293480

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 191, 229, 296, 370, 382, 458, 740, 764, 916, 955, 1145, 1480, 1528, 1832, 1910, 2290, 3820, 4580, 7067, 7640, 8473, 9160, 14134, 16946, 28268, 33892, 35335, 42365, 43739, 56536, 67784, 70670, 84730, 87478, 141340, 169460, 174956, 218695, 282680, 338920, 349912, 437390, 874780, 1618343, 1749560, 3236686, 6473372, 8091715, 12946744, 16183430, 32366860, 64733720]

約数ペア:

[(1, 64733720), (2, 32366860), (4, 16183430), (5, 12946744), (8, 8091715), (10, 6473372), (20, 3236686), (37, 1749560), (40, 1618343), (74, 874780), (148, 437390), (185, 349912), (191, 338920), (229, 282680), (296, 218695), (370, 174956), (382, 169460), (458, 141340), (740, 87478), (764, 84730), (916, 70670), (955, 67784), (1145, 56536), (1480, 43739), (1528, 42365), (1832, 35335), (1910, 33892), (2290, 28268), (3820, 16946), (4580, 14134), (7067, 9160), (7640, 8473)]