127812580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{3181}}^1$

素因数の和:3245

約数の個数: 72

約数和(自身を含む): 319943736

約数和(自身を除く): 192131156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 490, 574, 820, 980, 1148, 1435, 2009, 2870, 3181, 4018, 5740, 6362, 8036, 10045, 12724, 15905, 20090, 22267, 31810, 40180, 44534, 63620, 89068, 111335, 130421, 155869, 222670, 260842, 311738, 445340, 521684, 623476, 652105, 779345, 912947, 1304210, 1558690, 1825894, 2608420, 3117380, 3651788, 4564735, 6390629, 9129470, 12781258, 18258940, 25562516, 31953145, 63906290, 127812580]

約数ペア:

[(1, 127812580), (2, 63906290), (4, 31953145), (5, 25562516), (7, 18258940), (10, 12781258), (14, 9129470), (20, 6390629), (28, 4564735), (35, 3651788), (41, 3117380), (49, 2608420), (70, 1825894), (82, 1558690), (98, 1304210), (140, 912947), (164, 779345), (196, 652105), (205, 623476), (245, 521684), (287, 445340), (410, 311738), (490, 260842), (574, 222670), (820, 155869), (980, 130421), (1148, 111335), (1435, 89068), (2009, 63620), (2870, 44534), (3181, 40180), (4018, 31810), (5740, 22267), (6362, 20090), (8036, 15905), (10045, 12724)]