68857320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{81973}}^1$

素因数の和:81994

約数の個数: 64

約数和(自身を含む): 236085120

約数和(自身を除く): 167227800

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, 81973, 163946, 245919, 327892, 409865, 491838, 573811, 655784, 819730, 983676, 1147622, 1229595, 1639460, 1721433, 1967352, 2295244, 2459190, 2869055, 3278920, 3442866, 4590488, 4918380, 5738110, 6885732, 8607165, 9836760, 11476220, 13771464, 17214330, 22952440, 34428660, 68857320]

約数ペア:

[(1, 68857320), (2, 34428660), (3, 22952440), (4, 17214330), (5, 13771464), (6, 11476220), (7, 9836760), (8, 8607165), (10, 6885732), (12, 5738110), (14, 4918380), (15, 4590488), (20, 3442866), (21, 3278920), (24, 2869055), (28, 2459190), (30, 2295244), (35, 1967352), (40, 1721433), (42, 1639460), (56, 1229595), (60, 1147622), (70, 983676), (84, 819730), (105, 655784), (120, 573811), (140, 491838), (168, 409865), (210, 327892), (280, 245919), (420, 163946), (840, 81973)]