77711960

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{271}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 179781120

約数和(自身を除く): 102069160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 107, 134, 214, 268, 271, 335, 428, 535, 536, 542, 670, 856, 1070, 1084, 1340, 1355, 2140, 2168, 2680, 2710, 4280, 5420, 7169, 10840, 14338, 18157, 28676, 28997, 35845, 36314, 57352, 57994, 71690, 72628, 90785, 115988, 143380, 144985, 145256, 181570, 231976, 286760, 289970, 363140, 579940, 726280, 1159880, 1942799, 3885598, 7771196, 9713995, 15542392, 19427990, 38855980, 77711960]

約数ペア:

[(1, 77711960), (2, 38855980), (4, 19427990), (5, 15542392), (8, 9713995), (10, 7771196), (20, 3885598), (40, 1942799), (67, 1159880), (107, 726280), (134, 579940), (214, 363140), (268, 289970), (271, 286760), (335, 231976), (428, 181570), (535, 145256), (536, 144985), (542, 143380), (670, 115988), (856, 90785), (1070, 72628), (1084, 71690), (1340, 57994), (1355, 57352), (2140, 36314), (2168, 35845), (2680, 28997), (2710, 28676), (4280, 18157), (5420, 14338), (7169, 10840)]