20415240

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{6301}}^1$

素因数の和:6324

約数の個数: 80

約数和(自身を含む): 68628780

約数和(自身を除く): 48213540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 6301, 12602, 18903, 25204, 31505, 37806, 50408, 56709, 63010, 75612, 94515, 113418, 126020, 151224, 170127, 189030, 226836, 252040, 283545, 340254, 378060, 453672, 510381, 567090, 680508, 756120, 850635, 1020762, 1134180, 1361016, 1701270, 2041524, 2268360, 2551905, 3402540, 4083048, 5103810, 6805080, 10207620, 20415240]

約数ペア:

[(1, 20415240), (2, 10207620), (3, 6805080), (4, 5103810), (5, 4083048), (6, 3402540), (8, 2551905), (9, 2268360), (10, 2041524), (12, 1701270), (15, 1361016), (18, 1134180), (20, 1020762), (24, 850635), (27, 756120), (30, 680508), (36, 567090), (40, 510381), (45, 453672), (54, 378060), (60, 340254), (72, 283545), (81, 252040), (90, 226836), (108, 189030), (120, 170127), (135, 151224), (162, 126020), (180, 113418), (216, 94515), (270, 75612), (324, 63010), (360, 56709), (405, 50408), (540, 37806), (648, 31505), (810, 25204), (1080, 18903), (1620, 12602), (3240, 6301)]