72145760

素因数分解:

$2^5\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1871}}^1$

素因数の和:2127

約数の個数: 48

約数和(自身を含む): 171243072

約数和(自身を除く): 99097312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 241, 482, 964, 1205, 1871, 1928, 2410, 3742, 3856, 4820, 7484, 7712, 9355, 9640, 14968, 18710, 19280, 29936, 37420, 38560, 59872, 74840, 149680, 299360, 450911, 901822, 1803644, 2254555, 3607288, 4509110, 7214576, 9018220, 14429152, 18036440, 36072880, 72145760]

約数ペア:

[(1, 72145760), (2, 36072880), (4, 18036440), (5, 14429152), (8, 9018220), (10, 7214576), (16, 4509110), (20, 3607288), (32, 2254555), (40, 1803644), (80, 901822), (160, 450911), (241, 299360), (482, 149680), (964, 74840), (1205, 59872), (1871, 38560), (1928, 37420), (2410, 29936), (3742, 19280), (3856, 18710), (4820, 14968), (7484, 9640), (7712, 9355)]