18181320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1193}}^1$

素因数の和:1334

約数の個数: 64

約数和(自身を含む): 55019520

約数和(自身を除く): 36838200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 127, 254, 381, 508, 635, 762, 1016, 1193, 1270, 1524, 1905, 2386, 2540, 3048, 3579, 3810, 4772, 5080, 5965, 7158, 7620, 9544, 11930, 14316, 15240, 17895, 23860, 28632, 35790, 47720, 71580, 143160, 151511, 303022, 454533, 606044, 757555, 909066, 1212088, 1515110, 1818132, 2272665, 3030220, 3636264, 4545330, 6060440, 9090660, 18181320]

約数ペア:

[(1, 18181320), (2, 9090660), (3, 6060440), (4, 4545330), (5, 3636264), (6, 3030220), (8, 2272665), (10, 1818132), (12, 1515110), (15, 1212088), (20, 909066), (24, 757555), (30, 606044), (40, 454533), (60, 303022), (120, 151511), (127, 143160), (254, 71580), (381, 47720), (508, 35790), (635, 28632), (762, 23860), (1016, 17895), (1193, 15240), (1270, 14316), (1524, 11930), (1905, 9544), (2386, 7620), (2540, 7158), (3048, 5965), (3579, 5080), (3810, 4772)]