257160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2143}}^1$

素因数の和:2157

約数の個数: 32

約数和(自身を含む): 771840

約数和(自身を除く): 514680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2143, 4286, 6429, 8572, 10715, 12858, 17144, 21430, 25716, 32145, 42860, 51432, 64290, 85720, 128580, 257160]

約数ペア:

[(1, 257160), (2, 128580), (3, 85720), (4, 64290), (5, 51432), (6, 42860), (8, 32145), (10, 25716), (12, 21430), (15, 17144), (20, 12858), (24, 10715), (30, 8572), (40, 6429), (60, 4286), (120, 2143)]