64439480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{617}}^1$

素因数の和:1008

約数の個数: 64

約数和(自身を含む): 166415040

約数和(自身を除く): 101975560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 373, 617, 746, 1234, 1492, 1865, 2468, 2611, 2984, 3085, 3730, 4319, 4936, 5222, 6170, 7460, 8638, 10444, 12340, 13055, 14920, 17276, 20888, 21595, 24680, 26110, 34552, 43190, 52220, 86380, 104440, 172760, 230141, 460282, 920564, 1150705, 1610987, 1841128, 2301410, 3221974, 4602820, 6443948, 8054935, 9205640, 12887896, 16109870, 32219740, 64439480]

約数ペア:

[(1, 64439480), (2, 32219740), (4, 16109870), (5, 12887896), (7, 9205640), (8, 8054935), (10, 6443948), (14, 4602820), (20, 3221974), (28, 2301410), (35, 1841128), (40, 1610987), (56, 1150705), (70, 920564), (140, 460282), (280, 230141), (373, 172760), (617, 104440), (746, 86380), (1234, 52220), (1492, 43190), (1865, 34552), (2468, 26110), (2611, 24680), (2984, 21595), (3085, 20888), (3730, 17276), (4319, 14920), (4936, 13055), (5222, 12340), (6170, 10444), (7460, 8638)]