68726280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{81817}}^1$

素因数の和:81838

約数の個数: 64

約数和(自身を含む): 235635840

約数和(自身を除く): 166909560

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, 81817, 163634, 245451, 327268, 409085, 490902, 572719, 654536, 818170, 981804, 1145438, 1227255, 1636340, 1718157, 1963608, 2290876, 2454510, 2863595, 3272680, 3436314, 4581752, 4909020, 5727190, 6872628, 8590785, 9818040, 11454380, 13745256, 17181570, 22908760, 34363140, 68726280]

約数ペア:

[(1, 68726280), (2, 34363140), (3, 22908760), (4, 17181570), (5, 13745256), (6, 11454380), (7, 9818040), (8, 8590785), (10, 6872628), (12, 5727190), (14, 4909020), (15, 4581752), (20, 3436314), (21, 3272680), (24, 2863595), (28, 2454510), (30, 2290876), (35, 1963608), (40, 1718157), (42, 1636340), (56, 1227255), (60, 1145438), (70, 981804), (84, 818170), (105, 654536), (120, 572719), (140, 490902), (168, 409085), (210, 327268), (280, 245451), (420, 163634), (840, 81817)]