90807480

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{28027}}^1$

素因数の和:28050

約数の個数: 80

約数和(自身を含む): 305224920

約数和(自身を除く): 214417440

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, 28027, 56054, 84081, 112108, 140135, 168162, 224216, 252243, 280270, 336324, 420405, 504486, 560540, 672648, 756729, 840810, 1008972, 1121080, 1261215, 1513458, 1681620, 2017944, 2270187, 2522430, 3026916, 3363240, 3783645, 4540374, 5044860, 6053832, 7567290, 9080748, 10089720, 11350935, 15134580, 18161496, 22701870, 30269160, 45403740, 90807480]

約数ペア:

[(1, 90807480), (2, 45403740), (3, 30269160), (4, 22701870), (5, 18161496), (6, 15134580), (8, 11350935), (9, 10089720), (10, 9080748), (12, 7567290), (15, 6053832), (18, 5044860), (20, 4540374), (24, 3783645), (27, 3363240), (30, 3026916), (36, 2522430), (40, 2270187), (45, 2017944), (54, 1681620), (60, 1513458), (72, 1261215), (81, 1121080), (90, 1008972), (108, 840810), (120, 756729), (135, 672648), (162, 560540), (180, 504486), (216, 420405), (270, 336324), (324, 280270), (360, 252243), (405, 224216), (540, 168162), (648, 140135), (810, 112108), (1080, 84081), (1620, 56054), (3240, 28027)]