128133320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{1033}}^1$

素因数の和:1494

約数の個数: 64

約数和(自身を含む): 330549120

約数和(自身を除く): 202415800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 443, 886, 1033, 1772, 2066, 2215, 3101, 3544, 4132, 4430, 5165, 6202, 7231, 8264, 8860, 10330, 12404, 14462, 15505, 17720, 20660, 24808, 28924, 31010, 36155, 41320, 57848, 62020, 72310, 124040, 144620, 289240, 457619, 915238, 1830476, 2288095, 3203333, 3660952, 4576190, 6406666, 9152380, 12813332, 16016665, 18304760, 25626664, 32033330, 64066660, 128133320]

約数ペア:

[(1, 128133320), (2, 64066660), (4, 32033330), (5, 25626664), (7, 18304760), (8, 16016665), (10, 12813332), (14, 9152380), (20, 6406666), (28, 4576190), (35, 3660952), (40, 3203333), (56, 2288095), (70, 1830476), (140, 915238), (280, 457619), (443, 289240), (886, 144620), (1033, 124040), (1772, 72310), (2066, 62020), (2215, 57848), (3101, 41320), (3544, 36155), (4132, 31010), (4430, 28924), (5165, 24808), (6202, 20660), (7231, 17720), (8264, 15505), (8860, 14462), (10330, 12404)]