68621580

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{42359}}^1$

素因数の和:42380

約数の個数: 60

約数和(自身を含む): 215273520

約数和(自身を除く): 146651940

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, 42359, 84718, 127077, 169436, 211795, 254154, 381231, 423590, 508308, 635385, 762462, 847180, 1143693, 1270770, 1524924, 1906155, 2287386, 2541540, 3431079, 3812310, 4574772, 5718465, 6862158, 7624620, 11436930, 13724316, 17155395, 22873860, 34310790, 68621580]

約数ペア:

[(1, 68621580), (2, 34310790), (3, 22873860), (4, 17155395), (5, 13724316), (6, 11436930), (9, 7624620), (10, 6862158), (12, 5718465), (15, 4574772), (18, 3812310), (20, 3431079), (27, 2541540), (30, 2287386), (36, 1906155), (45, 1524924), (54, 1270770), (60, 1143693), (81, 847180), (90, 762462), (108, 635385), (135, 508308), (162, 423590), (180, 381231), (270, 254154), (324, 211795), (405, 169436), (540, 127077), (810, 84718), (1620, 42359)]