625883340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{16223}}^1$

素因数の和:16878

約数の個数: 48

約数和(自身を含む): 1755307008

約数和(自身を除く): 1129423668

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 643, 1286, 1929, 2572, 3215, 3858, 6430, 7716, 9645, 12860, 16223, 19290, 32446, 38580, 48669, 64892, 81115, 97338, 162230, 194676, 243345, 324460, 486690, 973380, 10431389, 20862778, 31294167, 41725556, 52156945, 62588334, 104313890, 125176668, 156470835, 208627780, 312941670, 625883340]

約数ペア:

[(1, 625883340), (2, 312941670), (3, 208627780), (4, 156470835), (5, 125176668), (6, 104313890), (10, 62588334), (12, 52156945), (15, 41725556), (20, 31294167), (30, 20862778), (60, 10431389), (643, 973380), (1286, 486690), (1929, 324460), (2572, 243345), (3215, 194676), (3858, 162230), (6430, 97338), (7716, 81115), (9645, 64892), (12860, 48669), (16223, 38580), (19290, 32446)]