1941726640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1279}}^1\times {\mathrm{2711}}^1$

素因数の和:4010

約数の個数: 80

約数和(自身を含む): 5165383680

約数和(自身を除く): 3223657040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1279, 2558, 2711, 5116, 5422, 6395, 8953, 10232, 10844, 12790, 13555, 17906, 18977, 20464, 21688, 25580, 27110, 35812, 37954, 43376, 44765, 51160, 54220, 71624, 75908, 89530, 94885, 102320, 108440, 143248, 151816, 179060, 189770, 216880, 303632, 358120, 379540, 716240, 759080, 1518160, 3467369, 6934738, 13869476, 17336845, 24271583, 27738952, 34673690, 48543166, 55477904, 69347380, 97086332, 121357915, 138694760, 194172664, 242715830, 277389520, 388345328, 485431660, 970863320, 1941726640]

約数ペア:

[(1, 1941726640), (2, 970863320), (4, 485431660), (5, 388345328), (7, 277389520), (8, 242715830), (10, 194172664), (14, 138694760), (16, 121357915), (20, 97086332), (28, 69347380), (35, 55477904), (40, 48543166), (56, 34673690), (70, 27738952), (80, 24271583), (112, 17336845), (140, 13869476), (280, 6934738), (560, 3467369), (1279, 1518160), (2558, 759080), (2711, 716240), (5116, 379540), (5422, 358120), (6395, 303632), (8953, 216880), (10232, 189770), (10844, 179060), (12790, 151816), (13555, 143248), (17906, 108440), (18977, 102320), (20464, 94885), (21688, 89530), (25580, 75908), (27110, 71624), (35812, 54220), (37954, 51160), (43376, 44765)]