68831560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{839}}^1$

素因数の和:1150

約数の個数: 64

約数和(自身を含む): 177811200

約数和(自身を除く): 108979640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 293, 586, 839, 1172, 1465, 1678, 2051, 2344, 2930, 3356, 4102, 4195, 5860, 5873, 6712, 8204, 8390, 10255, 11720, 11746, 16408, 16780, 20510, 23492, 29365, 33560, 41020, 46984, 58730, 82040, 117460, 234920, 245827, 491654, 983308, 1229135, 1720789, 1966616, 2458270, 3441578, 4916540, 6883156, 8603945, 9833080, 13766312, 17207890, 34415780, 68831560]

約数ペア:

[(1, 68831560), (2, 34415780), (4, 17207890), (5, 13766312), (7, 9833080), (8, 8603945), (10, 6883156), (14, 4916540), (20, 3441578), (28, 2458270), (35, 1966616), (40, 1720789), (56, 1229135), (70, 983308), (140, 491654), (280, 245827), (293, 234920), (586, 117460), (839, 82040), (1172, 58730), (1465, 46984), (1678, 41020), (2051, 33560), (2344, 29365), (2930, 23492), (3356, 20510), (4102, 16780), (4195, 16408), (5860, 11746), (5873, 11720), (6712, 10255), (8204, 8390)]