123455580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{439}}^1$

素因数の和:603

約数の個数: 96

約数和(自身を含む): 357772800

約数和(自身を除く): 234317220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 109, 129, 172, 215, 218, 258, 327, 430, 436, 439, 516, 545, 645, 654, 860, 878, 1090, 1290, 1308, 1317, 1635, 1756, 2180, 2195, 2580, 2634, 3270, 4390, 4687, 5268, 6540, 6585, 8780, 9374, 13170, 14061, 18748, 18877, 23435, 26340, 28122, 37754, 46870, 47851, 56244, 56631, 70305, 75508, 93740, 94385, 95702, 113262, 140610, 143553, 188770, 191404, 226524, 239255, 281220, 283155, 287106, 377540, 478510, 566310, 574212, 717765, 957020, 1132620, 1435530, 2057593, 2871060, 4115186, 6172779, 8230372, 10287965, 12345558, 20575930, 24691116, 30863895, 41151860, 61727790, 123455580]

約数ペア:

[(1, 123455580), (2, 61727790), (3, 41151860), (4, 30863895), (5, 24691116), (6, 20575930), (10, 12345558), (12, 10287965), (15, 8230372), (20, 6172779), (30, 4115186), (43, 2871060), (60, 2057593), (86, 1435530), (109, 1132620), (129, 957020), (172, 717765), (215, 574212), (218, 566310), (258, 478510), (327, 377540), (430, 287106), (436, 283155), (439, 281220), (516, 239255), (545, 226524), (645, 191404), (654, 188770), (860, 143553), (878, 140610), (1090, 113262), (1290, 95702), (1308, 94385), (1317, 93740), (1635, 75508), (1756, 70305), (2180, 56631), (2195, 56244), (2580, 47851), (2634, 46870), (3270, 37754), (4390, 28122), (4687, 26340), (5268, 23435), (6540, 18877), (6585, 18748), (8780, 14061), (9374, 13170)]