27986280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{33317}}^1$

素因数の和:33338

約数の個数: 64

約数和(自身を含む): 95955840

約数和(自身を除く): 67969560

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, 33317, 66634, 99951, 133268, 166585, 199902, 233219, 266536, 333170, 399804, 466438, 499755, 666340, 699657, 799608, 932876, 999510, 1166095, 1332680, 1399314, 1865752, 1999020, 2332190, 2798628, 3498285, 3998040, 4664380, 5597256, 6996570, 9328760, 13993140, 27986280]

約数ペア:

[(1, 27986280), (2, 13993140), (3, 9328760), (4, 6996570), (5, 5597256), (6, 4664380), (7, 3998040), (8, 3498285), (10, 2798628), (12, 2332190), (14, 1999020), (15, 1865752), (20, 1399314), (21, 1332680), (24, 1166095), (28, 999510), (30, 932876), (35, 799608), (40, 699657), (42, 666340), (56, 499755), (60, 466438), (70, 399804), (84, 333170), (105, 266536), (120, 233219), (140, 199902), (168, 166585), (210, 133268), (280, 99951), (420, 66634), (840, 33317)]