31071780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3257}}^1$

素因数の和:3325

約数の個数: 72

約数和(自身を含む): 96058872

約数和(自身を除く): 64987092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2385, 3180, 3257, 4770, 6514, 9540, 9771, 13028, 16285, 19542, 29313, 32570, 39084, 48855, 58626, 65140, 97710, 117252, 146565, 172621, 195420, 293130, 345242, 517863, 586260, 690484, 863105, 1035726, 1553589, 1726210, 2071452, 2589315, 3107178, 3452420, 5178630, 6214356, 7767945, 10357260, 15535890, 31071780]

約数ペア:

[(1, 31071780), (2, 15535890), (3, 10357260), (4, 7767945), (5, 6214356), (6, 5178630), (9, 3452420), (10, 3107178), (12, 2589315), (15, 2071452), (18, 1726210), (20, 1553589), (30, 1035726), (36, 863105), (45, 690484), (53, 586260), (60, 517863), (90, 345242), (106, 293130), (159, 195420), (180, 172621), (212, 146565), (265, 117252), (318, 97710), (477, 65140), (530, 58626), (636, 48855), (795, 39084), (954, 32570), (1060, 29313), (1590, 19542), (1908, 16285), (2385, 13028), (3180, 9771), (3257, 9540), (4770, 6514)]