68685960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{81769}}^1$

素因数の和:81790

約数の個数: 64

約数和(自身を含む): 235497600

約数和(自身を除く): 166811640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 81769, 163538, 245307, 327076, 408845, 490614, 572383, 654152, 817690, 981228, 1144766, 1226535, 1635380, 1717149, 1962456, 2289532, 2453070, 2861915, 3270760, 3434298, 4579064, 4906140, 5723830, 6868596, 8585745, 9812280, 11447660, 13737192, 17171490, 22895320, 34342980, 68685960]

約数ペア:

[(1, 68685960), (2, 34342980), (3, 22895320), (4, 17171490), (5, 13737192), (6, 11447660), (7, 9812280), (8, 8585745), (10, 6868596), (12, 5723830), (14, 4906140), (15, 4579064), (20, 3434298), (21, 3270760), (24, 2861915), (28, 2453070), (30, 2289532), (35, 1962456), (40, 1717149), (42, 1635380), (56, 1226535), (60, 1144766), (70, 981228), (84, 817690), (105, 654152), (120, 572383), (140, 490614), (168, 408845), (210, 327076), (280, 245307), (420, 163538), (840, 81769)]