81766680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2851}}^1$

素因数の和:3104

約数の個数: 64

約数和(自身を含む): 246412800

約数和(自身を除く): 164646120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239, 478, 717, 956, 1195, 1434, 1912, 2390, 2851, 2868, 3585, 4780, 5702, 5736, 7170, 8553, 9560, 11404, 14255, 14340, 17106, 22808, 28510, 28680, 34212, 42765, 57020, 68424, 85530, 114040, 171060, 342120, 681389, 1362778, 2044167, 2725556, 3406945, 4088334, 5451112, 6813890, 8176668, 10220835, 13627780, 16353336, 20441670, 27255560, 40883340, 81766680]

約数ペア:

[(1, 81766680), (2, 40883340), (3, 27255560), (4, 20441670), (5, 16353336), (6, 13627780), (8, 10220835), (10, 8176668), (12, 6813890), (15, 5451112), (20, 4088334), (24, 3406945), (30, 2725556), (40, 2044167), (60, 1362778), (120, 681389), (239, 342120), (478, 171060), (717, 114040), (956, 85530), (1195, 68424), (1434, 57020), (1912, 42765), (2390, 34212), (2851, 28680), (2868, 28510), (3585, 22808), (4780, 17106), (5702, 14340), (5736, 14255), (7170, 11404), (8553, 9560)]