54475560

素因数分解:

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

素因数の和:795

約数の個数: 72

約数和(自身を含む): 177501870

約数和(自身を除く): 123026310

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 389, 778, 1167, 1556, 1945, 2334, 3112, 3501, 3890, 4668, 5835, 7002, 7780, 9336, 11670, 14004, 15560, 17505, 23340, 28008, 35010, 46680, 70020, 140040, 151321, 302642, 453963, 605284, 756605, 907926, 1210568, 1361889, 1513210, 1815852, 2269815, 2723778, 3026420, 3631704, 4539630, 5447556, 6052840, 6809445, 9079260, 10895112, 13618890, 18158520, 27237780, 54475560]

約数ペア:

[(1, 54475560), (2, 27237780), (3, 18158520), (4, 13618890), (5, 10895112), (6, 9079260), (8, 6809445), (9, 6052840), (10, 5447556), (12, 4539630), (15, 3631704), (18, 3026420), (20, 2723778), (24, 2269815), (30, 1815852), (36, 1513210), (40, 1361889), (45, 1210568), (60, 907926), (72, 756605), (90, 605284), (120, 453963), (180, 302642), (360, 151321), (389, 140040), (778, 70020), (1167, 46680), (1556, 35010), (1945, 28008), (2334, 23340), (3112, 17505), (3501, 15560), (3890, 14004), (4668, 11670), (5835, 9336), (7002, 7780)]