68007660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{161923}}^1$

素因数の和:161942

約数の個数: 48

約数和(自身を含む): 217625856

約数和(自身を除く): 149618196

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, 161923, 323846, 485769, 647692, 809615, 971538, 1133461, 1619230, 1943076, 2266922, 2428845, 3238460, 3400383, 4533844, 4857690, 5667305, 6800766, 9715380, 11334610, 13601532, 17001915, 22669220, 34003830, 68007660]

約数ペア:

[(1, 68007660), (2, 34003830), (3, 22669220), (4, 17001915), (5, 13601532), (6, 11334610), (7, 9715380), (10, 6800766), (12, 5667305), (14, 4857690), (15, 4533844), (20, 3400383), (21, 3238460), (28, 2428845), (30, 2266922), (35, 1943076), (42, 1619230), (60, 1133461), (70, 971538), (84, 809615), (105, 647692), (140, 485769), (210, 323846), (420, 161923)]