68205480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{81197}}^1$

素因数の和:81218

約数の個数: 64

約数和(自身を含む): 233850240

約数和(自身を除く): 165644760

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, 81197, 162394, 243591, 324788, 405985, 487182, 568379, 649576, 811970, 974364, 1136758, 1217955, 1623940, 1705137, 1948728, 2273516, 2435910, 2841895, 3247880, 3410274, 4547032, 4871820, 5683790, 6820548, 8525685, 9743640, 11367580, 13641096, 17051370, 22735160, 34102740, 68205480]

約数ペア:

[(1, 68205480), (2, 34102740), (3, 22735160), (4, 17051370), (5, 13641096), (6, 11367580), (7, 9743640), (8, 8525685), (10, 6820548), (12, 5683790), (14, 4871820), (15, 4547032), (20, 3410274), (21, 3247880), (24, 2841895), (28, 2435910), (30, 2273516), (35, 1948728), (40, 1705137), (42, 1623940), (56, 1217955), (60, 1136758), (70, 974364), (84, 811970), (105, 649576), (120, 568379), (140, 487182), (168, 405985), (210, 324788), (280, 243591), (420, 162394), (840, 81197)]