71961960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{85669}}^1$

素因数の和:85690

約数の個数: 64

約数和(自身を含む): 246729600

約数和(自身を除く): 174767640

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, 85669, 171338, 257007, 342676, 428345, 514014, 599683, 685352, 856690, 1028028, 1199366, 1285035, 1713380, 1799049, 2056056, 2398732, 2570070, 2998415, 3426760, 3598098, 4797464, 5140140, 5996830, 7196196, 8995245, 10280280, 11993660, 14392392, 17990490, 23987320, 35980980, 71961960]

約数ペア:

[(1, 71961960), (2, 35980980), (3, 23987320), (4, 17990490), (5, 14392392), (6, 11993660), (7, 10280280), (8, 8995245), (10, 7196196), (12, 5996830), (14, 5140140), (15, 4797464), (20, 3598098), (21, 3426760), (24, 2998415), (28, 2570070), (30, 2398732), (35, 2056056), (40, 1799049), (42, 1713380), (56, 1285035), (60, 1199366), (70, 1028028), (84, 856690), (105, 685352), (120, 599683), (140, 514014), (168, 428345), (210, 342676), (280, 257007), (420, 171338), (840, 85669)]