1621497720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13512481}}^1$

素因数の和:13512495

約数の個数: 32

約数和(自身を含む): 4864493520

約数和(自身を除く): 3242995800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 13512481, 27024962, 40537443, 54049924, 67562405, 81074886, 108099848, 135124810, 162149772, 202687215, 270249620, 324299544, 405374430, 540499240, 810748860, 1621497720]

約数ペア:

[(1, 1621497720), (2, 810748860), (3, 540499240), (4, 405374430), (5, 324299544), (6, 270249620), (8, 202687215), (10, 162149772), (12, 135124810), (15, 108099848), (20, 81074886), (24, 67562405), (30, 54049924), (40, 40537443), (60, 27024962), (120, 13512481)]