79781220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{147743}}^1$

素因数の和:147761

約数の個数: 48

約数和(自身を含む): 248209920

約数和(自身を除く): 168428700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 147743, 295486, 443229, 590972, 738715, 886458, 1329687, 1477430, 1772916, 2216145, 2659374, 2954860, 3989061, 4432290, 5318748, 6648435, 7978122, 8864580, 13296870, 15956244, 19945305, 26593740, 39890610, 79781220]

約数ペア:

[(1, 79781220), (2, 39890610), (3, 26593740), (4, 19945305), (5, 15956244), (6, 13296870), (9, 8864580), (10, 7978122), (12, 6648435), (15, 5318748), (18, 4432290), (20, 3989061), (27, 2954860), (30, 2659374), (36, 2216145), (45, 1772916), (54, 1477430), (60, 1329687), (90, 886458), (108, 738715), (135, 590972), (180, 443229), (270, 295486), (540, 147743)]