71436840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1193}}^1$

素因数の和:1706

約数の個数: 64

約数和(自身を含む): 214920000

約数和(自身を除く): 143483160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 499, 998, 1193, 1497, 1996, 2386, 2495, 2994, 3579, 3992, 4772, 4990, 5965, 5988, 7158, 7485, 9544, 9980, 11930, 11976, 14316, 14970, 17895, 19960, 23860, 28632, 29940, 35790, 47720, 59880, 71580, 143160, 595307, 1190614, 1785921, 2381228, 2976535, 3571842, 4762456, 5953070, 7143684, 8929605, 11906140, 14287368, 17859210, 23812280, 35718420, 71436840]

約数ペア:

[(1, 71436840), (2, 35718420), (3, 23812280), (4, 17859210), (5, 14287368), (6, 11906140), (8, 8929605), (10, 7143684), (12, 5953070), (15, 4762456), (20, 3571842), (24, 2976535), (30, 2381228), (40, 1785921), (60, 1190614), (120, 595307), (499, 143160), (998, 71580), (1193, 59880), (1497, 47720), (1996, 35790), (2386, 29940), (2495, 28632), (2994, 23860), (3579, 19960), (3992, 17895), (4772, 14970), (4990, 14316), (5965, 11976), (5988, 11930), (7158, 9980), (7485, 9544)]