87240440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1801}}^1$

素因数の和:1992

約数の個数: 64

約数和(自身を含む): 225754560

約数和(自身を除く): 138514120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 173, 280, 346, 692, 865, 1211, 1384, 1730, 1801, 2422, 3460, 3602, 4844, 6055, 6920, 7204, 9005, 9688, 12110, 12607, 14408, 18010, 24220, 25214, 36020, 48440, 50428, 63035, 72040, 100856, 126070, 252140, 311573, 504280, 623146, 1246292, 1557865, 2181011, 2492584, 3115730, 4362022, 6231460, 8724044, 10905055, 12462920, 17448088, 21810110, 43620220, 87240440]

約数ペア:

[(1, 87240440), (2, 43620220), (4, 21810110), (5, 17448088), (7, 12462920), (8, 10905055), (10, 8724044), (14, 6231460), (20, 4362022), (28, 3115730), (35, 2492584), (40, 2181011), (56, 1557865), (70, 1246292), (140, 623146), (173, 504280), (280, 311573), (346, 252140), (692, 126070), (865, 100856), (1211, 72040), (1384, 63035), (1730, 50428), (1801, 48440), (2422, 36020), (3460, 25214), (3602, 24220), (4844, 18010), (6055, 14408), (6920, 12607), (7204, 12110), (9005, 9688)]