18158520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{389}}^2$

素因数の和:792

約数の個数: 48

約数和(自身を含む): 54615960

約数和(自身を除く): 36457440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 389, 778, 1167, 1556, 1945, 2334, 3112, 3890, 4668, 5835, 7780, 9336, 11670, 15560, 23340, 46680, 151321, 302642, 453963, 605284, 756605, 907926, 1210568, 1513210, 1815852, 2269815, 3026420, 3631704, 4539630, 6052840, 9079260, 18158520]

約数ペア:

[(1, 18158520), (2, 9079260), (3, 6052840), (4, 4539630), (5, 3631704), (6, 3026420), (8, 2269815), (10, 1815852), (12, 1513210), (15, 1210568), (20, 907926), (24, 756605), (30, 605284), (40, 453963), (60, 302642), (120, 151321), (389, 46680), (778, 23340), (1167, 15560), (1556, 11670), (1945, 9336), (2334, 7780), (3112, 5835), (3890, 4668)]