15223820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^2\times {\mathrm{151}}^1$

素因数の和:302

約数の個数: 36

約数和(自身を含む): 32641392

約数和(自身を除く): 17417572

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 151, 284, 302, 355, 604, 710, 755, 1420, 1510, 3020, 5041, 10082, 10721, 20164, 21442, 25205, 42884, 50410, 53605, 100820, 107210, 214420, 761191, 1522382, 3044764, 3805955, 7611910, 15223820]

約数ペア:

[(1, 15223820), (2, 7611910), (4, 3805955), (5, 3044764), (10, 1522382), (20, 761191), (71, 214420), (142, 107210), (151, 100820), (284, 53605), (302, 50410), (355, 42884), (604, 25205), (710, 21442), (755, 20164), (1420, 10721), (1510, 10082), (3020, 5041)]