81957360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8329}}^1$

素因数の和:8386

約数の個数: 80

約数和(自身を含む): 260295840

約数和(自身を除く): 178338480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 205, 240, 246, 328, 410, 492, 615, 656, 820, 984, 1230, 1640, 1968, 2460, 3280, 4920, 8329, 9840, 16658, 24987, 33316, 41645, 49974, 66632, 83290, 99948, 124935, 133264, 166580, 199896, 249870, 333160, 341489, 399792, 499740, 666320, 682978, 999480, 1024467, 1365956, 1707445, 1998960, 2048934, 2731912, 3414890, 4097868, 5122335, 5463824, 6829780, 8195736, 10244670, 13659560, 16391472, 20489340, 27319120, 40978680, 81957360]

約数ペア:

[(1, 81957360), (2, 40978680), (3, 27319120), (4, 20489340), (5, 16391472), (6, 13659560), (8, 10244670), (10, 8195736), (12, 6829780), (15, 5463824), (16, 5122335), (20, 4097868), (24, 3414890), (30, 2731912), (40, 2048934), (41, 1998960), (48, 1707445), (60, 1365956), (80, 1024467), (82, 999480), (120, 682978), (123, 666320), (164, 499740), (205, 399792), (240, 341489), (246, 333160), (328, 249870), (410, 199896), (492, 166580), (615, 133264), (656, 124935), (820, 99948), (984, 83290), (1230, 66632), (1640, 49974), (1968, 41645), (2460, 33316), (3280, 24987), (4920, 16658), (8329, 9840)]