64765980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{39979}}^1$

素因数の和:40000

約数の個数: 60

約数和(自身を含む): 203178360

約数和(自身を除く): 138412380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 39979, 79958, 119937, 159916, 199895, 239874, 359811, 399790, 479748, 599685, 719622, 799580, 1079433, 1199370, 1439244, 1799055, 2158866, 2398740, 3238299, 3598110, 4317732, 5397165, 6476598, 7196220, 10794330, 12953196, 16191495, 21588660, 32382990, 64765980]

約数ペア:

[(1, 64765980), (2, 32382990), (3, 21588660), (4, 16191495), (5, 12953196), (6, 10794330), (9, 7196220), (10, 6476598), (12, 5397165), (15, 4317732), (18, 3598110), (20, 3238299), (27, 2398740), (30, 2158866), (36, 1799055), (45, 1439244), (54, 1199370), (60, 1079433), (81, 799580), (90, 719622), (108, 599685), (135, 479748), (162, 399790), (180, 359811), (270, 239874), (324, 199895), (405, 159916), (540, 119937), (810, 79958), (1620, 39979)]