129981880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{4507}}^1$

素因数の和:4628

約数の個数: 64

約数和(自身を含む): 337559040

約数和(自身を除く): 207577160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 103, 140, 206, 280, 412, 515, 721, 824, 1030, 1442, 2060, 2884, 3605, 4120, 4507, 5768, 7210, 9014, 14420, 18028, 22535, 28840, 31549, 36056, 45070, 63098, 90140, 126196, 157745, 180280, 252392, 315490, 464221, 630980, 928442, 1261960, 1856884, 2321105, 3249547, 3713768, 4642210, 6499094, 9284420, 12998188, 16247735, 18568840, 25996376, 32495470, 64990940, 129981880]

約数ペア:

[(1, 129981880), (2, 64990940), (4, 32495470), (5, 25996376), (7, 18568840), (8, 16247735), (10, 12998188), (14, 9284420), (20, 6499094), (28, 4642210), (35, 3713768), (40, 3249547), (56, 2321105), (70, 1856884), (103, 1261960), (140, 928442), (206, 630980), (280, 464221), (412, 315490), (515, 252392), (721, 180280), (824, 157745), (1030, 126196), (1442, 90140), (2060, 63098), (2884, 45070), (3605, 36056), (4120, 31549), (4507, 28840), (5768, 22535), (7210, 18028), (9014, 14420)]