2566760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 6739200

約数和(自身を除く): 4172440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 103, 140, 178, 206, 280, 356, 412, 445, 515, 623, 712, 721, 824, 890, 1030, 1246, 1442, 1780, 2060, 2492, 2884, 3115, 3560, 3605, 4120, 4984, 5768, 6230, 7210, 9167, 12460, 14420, 18334, 24920, 28840, 36668, 45835, 64169, 73336, 91670, 128338, 183340, 256676, 320845, 366680, 513352, 641690, 1283380, 2566760]

約数ペア:

[(1, 2566760), (2, 1283380), (4, 641690), (5, 513352), (7, 366680), (8, 320845), (10, 256676), (14, 183340), (20, 128338), (28, 91670), (35, 73336), (40, 64169), (56, 45835), (70, 36668), (89, 28840), (103, 24920), (140, 18334), (178, 14420), (206, 12460), (280, 9167), (356, 7210), (412, 6230), (445, 5768), (515, 4984), (623, 4120), (712, 3605), (721, 3560), (824, 3115), (890, 2884), (1030, 2492), (1246, 2060), (1442, 1780)]