68717460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{163613}}^1$

素因数の和:163632

約数の個数: 48

約数和(自身を含む): 219897216

約数和(自身を除く): 151179756

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 163613, 327226, 490839, 654452, 818065, 981678, 1145291, 1636130, 1963356, 2290582, 2454195, 3272260, 3435873, 4581164, 4908390, 5726455, 6871746, 9816780, 11452910, 13743492, 17179365, 22905820, 34358730, 68717460]

約数ペア:

[(1, 68717460), (2, 34358730), (3, 22905820), (4, 17179365), (5, 13743492), (6, 11452910), (7, 9816780), (10, 6871746), (12, 5726455), (14, 4908390), (15, 4581164), (20, 3435873), (21, 3272260), (28, 2454195), (30, 2290582), (35, 1963356), (42, 1636130), (60, 1145291), (70, 981678), (84, 818065), (105, 654452), (140, 490839), (210, 327226), (420, 163613)]