87881080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16519}}^1$

素因数の和:16556

約数の個数: 64

約数和(自身を含む): 237888000

約数和(自身を除く): 150006920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 16519, 33038, 66076, 82595, 115633, 132152, 165190, 231266, 313861, 330380, 462532, 578165, 627722, 660760, 925064, 1156330, 1255444, 1569305, 2197027, 2312660, 2510888, 3138610, 4394054, 4625320, 6277220, 8788108, 10985135, 12554440, 17576216, 21970270, 43940540, 87881080]

約数ペア:

[(1, 87881080), (2, 43940540), (4, 21970270), (5, 17576216), (7, 12554440), (8, 10985135), (10, 8788108), (14, 6277220), (19, 4625320), (20, 4394054), (28, 3138610), (35, 2510888), (38, 2312660), (40, 2197027), (56, 1569305), (70, 1255444), (76, 1156330), (95, 925064), (133, 660760), (140, 627722), (152, 578165), (190, 462532), (266, 330380), (280, 313861), (380, 231266), (532, 165190), (665, 132152), (760, 115633), (1064, 82595), (1330, 66076), (2660, 33038), (5320, 16519)]