64617720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{538481}}^1$

素因数の和:538495

約数の個数: 32

約数和(自身を含む): 193853520

約数和(自身を除く): 129235800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 538481, 1076962, 1615443, 2153924, 2692405, 3230886, 4307848, 5384810, 6461772, 8077215, 10769620, 12923544, 16154430, 21539240, 32308860, 64617720]

約数ペア:

[(1, 64617720), (2, 32308860), (3, 21539240), (4, 16154430), (5, 12923544), (6, 10769620), (8, 8077215), (10, 6461772), (12, 5384810), (15, 4307848), (20, 3230886), (24, 2692405), (30, 2153924), (40, 1615443), (60, 1076962), (120, 538481)]