20180640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{42043}}^1$

素因数の和:42061

約数の個数: 48

約数和(自身を含む): 63570528

約数和(自身を除く): 43389888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 42043, 84086, 126129, 168172, 210215, 252258, 336344, 420430, 504516, 630645, 672688, 840860, 1009032, 1261290, 1345376, 1681720, 2018064, 2522580, 3363440, 4036128, 5045160, 6726880, 10090320, 20180640]

約数ペア:

[(1, 20180640), (2, 10090320), (3, 6726880), (4, 5045160), (5, 4036128), (6, 3363440), (8, 2522580), (10, 2018064), (12, 1681720), (15, 1345376), (16, 1261290), (20, 1009032), (24, 840860), (30, 672688), (32, 630645), (40, 504516), (48, 420430), (60, 336344), (80, 252258), (96, 210215), (120, 168172), (160, 126129), (240, 84086), (480, 42043)]