68679240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{81761}}^1$

素因数の和:81782

約数の個数: 64

約数和(自身を含む): 235474560

約数和(自身を除く): 166795320

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, 81761, 163522, 245283, 327044, 408805, 490566, 572327, 654088, 817610, 981132, 1144654, 1226415, 1635220, 1716981, 1962264, 2289308, 2452830, 2861635, 3270440, 3433962, 4578616, 4905660, 5723270, 6867924, 8584905, 9811320, 11446540, 13735848, 17169810, 22893080, 34339620, 68679240]

約数ペア:

[(1, 68679240), (2, 34339620), (3, 22893080), (4, 17169810), (5, 13735848), (6, 11446540), (7, 9811320), (8, 8584905), (10, 6867924), (12, 5723270), (14, 4905660), (15, 4578616), (20, 3433962), (21, 3270440), (24, 2861635), (28, 2452830), (30, 2289308), (35, 1962264), (40, 1716981), (42, 1635220), (56, 1226415), (60, 1144654), (70, 981132), (84, 817610), (105, 654088), (120, 572327), (140, 490566), (168, 408805), (210, 327044), (280, 245283), (420, 163522), (840, 81761)]