68900480

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9787}}^1$

素因数の和:9817

約数の個数: 64

約数和(自身を含む): 179707680

約数和(自身を除く): 110807200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 7040, 9787, 19574, 39148, 48935, 78296, 97870, 107657, 156592, 195740, 215314, 313184, 391480, 430628, 538285, 626368, 782960, 861256, 1076570, 1252736, 1565920, 1722512, 2153140, 3131840, 3445024, 4306280, 6263680, 6890048, 8612560, 13780096, 17225120, 34450240, 68900480]

約数ペア:

[(1, 68900480), (2, 34450240), (4, 17225120), (5, 13780096), (8, 8612560), (10, 6890048), (11, 6263680), (16, 4306280), (20, 3445024), (22, 3131840), (32, 2153140), (40, 1722512), (44, 1565920), (55, 1252736), (64, 1076570), (80, 861256), (88, 782960), (110, 626368), (128, 538285), (160, 430628), (176, 391480), (220, 313184), (320, 215314), (352, 195740), (440, 156592), (640, 107657), (704, 97870), (880, 78296), (1408, 48935), (1760, 39148), (3520, 19574), (7040, 9787)]