218527360

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17971}}^1$

素因数の和:18009

約数の個数: 64

約数和(自身を含む): 549943200

約数和(自身を除く): 331415840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2432, 3040, 6080, 12160, 17971, 35942, 71884, 89855, 143768, 179710, 287536, 341449, 359420, 575072, 682898, 718840, 1150144, 1365796, 1437680, 1707245, 2300288, 2731592, 2875360, 3414490, 5463184, 5750720, 6828980, 10926368, 11501440, 13657960, 21852736, 27315920, 43705472, 54631840, 109263680, 218527360]

約数ペア:

[(1, 218527360), (2, 109263680), (4, 54631840), (5, 43705472), (8, 27315920), (10, 21852736), (16, 13657960), (19, 11501440), (20, 10926368), (32, 6828980), (38, 5750720), (40, 5463184), (64, 3414490), (76, 2875360), (80, 2731592), (95, 2300288), (128, 1707245), (152, 1437680), (160, 1365796), (190, 1150144), (304, 718840), (320, 682898), (380, 575072), (608, 359420), (640, 341449), (760, 287536), (1216, 179710), (1520, 143768), (2432, 89855), (3040, 71884), (6080, 35942), (12160, 17971)]