221503560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{17921}}^1$

素因数の和:18038

約数の個数: 64

約数和(自身を含む): 670999680

約数和(自身を除く): 449496120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 103, 120, 206, 309, 412, 515, 618, 824, 1030, 1236, 1545, 2060, 2472, 3090, 4120, 6180, 12360, 17921, 35842, 53763, 71684, 89605, 107526, 143368, 179210, 215052, 268815, 358420, 430104, 537630, 716840, 1075260, 1845863, 2150520, 3691726, 5537589, 7383452, 9229315, 11075178, 14766904, 18458630, 22150356, 27687945, 36917260, 44300712, 55375890, 73834520, 110751780, 221503560]

約数ペア:

[(1, 221503560), (2, 110751780), (3, 73834520), (4, 55375890), (5, 44300712), (6, 36917260), (8, 27687945), (10, 22150356), (12, 18458630), (15, 14766904), (20, 11075178), (24, 9229315), (30, 7383452), (40, 5537589), (60, 3691726), (103, 2150520), (120, 1845863), (206, 1075260), (309, 716840), (412, 537630), (515, 430104), (618, 358420), (824, 268815), (1030, 215052), (1236, 179210), (1545, 143368), (2060, 107526), (2472, 89605), (3090, 71684), (4120, 53763), (6180, 35842), (12360, 17921)]