64441980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{39779}}^1$

素因数の和:39800

約数の個数: 60

約数和(自身を含む): 202161960

約数和(自身を除く): 137719980

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, 39779, 79558, 119337, 159116, 198895, 238674, 358011, 397790, 477348, 596685, 716022, 795580, 1074033, 1193370, 1432044, 1790055, 2148066, 2386740, 3222099, 3580110, 4296132, 5370165, 6444198, 7160220, 10740330, 12888396, 16110495, 21480660, 32220990, 64441980]

約数ペア:

[(1, 64441980), (2, 32220990), (3, 21480660), (4, 16110495), (5, 12888396), (6, 10740330), (9, 7160220), (10, 6444198), (12, 5370165), (15, 4296132), (18, 3580110), (20, 3222099), (27, 2386740), (30, 2148066), (36, 1790055), (45, 1432044), (54, 1193370), (60, 1074033), (81, 795580), (90, 716022), (108, 596685), (135, 477348), (162, 397790), (180, 358011), (270, 238674), (324, 198895), (405, 159116), (540, 119337), (810, 79558), (1620, 39779)]