30800840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2683}}^1$

素因数の和:2742

約数の個数: 64

約数和(自身を含む): 81164160

約数和(自身を除く): 50363320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2296, 2683, 2870, 5366, 5740, 10732, 11480, 13415, 18781, 21464, 26830, 37562, 53660, 75124, 93905, 107320, 110003, 150248, 187810, 220006, 375620, 440012, 550015, 751240, 770021, 880024, 1100030, 1540042, 2200060, 3080084, 3850105, 4400120, 6160168, 7700210, 15400420, 30800840]

約数ペア:

[(1, 30800840), (2, 15400420), (4, 7700210), (5, 6160168), (7, 4400120), (8, 3850105), (10, 3080084), (14, 2200060), (20, 1540042), (28, 1100030), (35, 880024), (40, 770021), (41, 751240), (56, 550015), (70, 440012), (82, 375620), (140, 220006), (164, 187810), (205, 150248), (280, 110003), (287, 107320), (328, 93905), (410, 75124), (574, 53660), (820, 37562), (1148, 26830), (1435, 21464), (1640, 18781), (2296, 13415), (2683, 11480), (2870, 10732), (5366, 5740)]