79270520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3181}}^1$

素因数の和:3288

約数の個数: 64

約数和(自身を含む): 206193600

約数和(自身を除く): 126923080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 712, 890, 1246, 1780, 2492, 3115, 3181, 3560, 4984, 6230, 6362, 12460, 12724, 15905, 22267, 24920, 25448, 31810, 44534, 63620, 89068, 111335, 127240, 178136, 222670, 283109, 445340, 566218, 890680, 1132436, 1415545, 1981763, 2264872, 2831090, 3963526, 5662180, 7927052, 9908815, 11324360, 15854104, 19817630, 39635260, 79270520]

約数ペア:

[(1, 79270520), (2, 39635260), (4, 19817630), (5, 15854104), (7, 11324360), (8, 9908815), (10, 7927052), (14, 5662180), (20, 3963526), (28, 2831090), (35, 2264872), (40, 1981763), (56, 1415545), (70, 1132436), (89, 890680), (140, 566218), (178, 445340), (280, 283109), (356, 222670), (445, 178136), (623, 127240), (712, 111335), (890, 89068), (1246, 63620), (1780, 44534), (2492, 31810), (3115, 25448), (3181, 24920), (3560, 22267), (4984, 15905), (6230, 12724), (6362, 12460)]