30894640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1283}}^1$

素因数の和:1346

約数の個数: 80

約数和(自身を含む): 84066048

約数和(自身を除く): 53171408

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 140, 172, 215, 280, 301, 344, 430, 560, 602, 688, 860, 1204, 1283, 1505, 1720, 2408, 2566, 3010, 3440, 4816, 5132, 6020, 6415, 8981, 10264, 12040, 12830, 17962, 20528, 24080, 25660, 35924, 44905, 51320, 55169, 71848, 89810, 102640, 110338, 143696, 179620, 220676, 275845, 359240, 386183, 441352, 551690, 718480, 772366, 882704, 1103380, 1544732, 1930915, 2206760, 3089464, 3861830, 4413520, 6178928, 7723660, 15447320, 30894640]

約数ペア:

[(1, 30894640), (2, 15447320), (4, 7723660), (5, 6178928), (7, 4413520), (8, 3861830), (10, 3089464), (14, 2206760), (16, 1930915), (20, 1544732), (28, 1103380), (35, 882704), (40, 772366), (43, 718480), (56, 551690), (70, 441352), (80, 386183), (86, 359240), (112, 275845), (140, 220676), (172, 179620), (215, 143696), (280, 110338), (301, 102640), (344, 89810), (430, 71848), (560, 55169), (602, 51320), (688, 44905), (860, 35924), (1204, 25660), (1283, 24080), (1505, 20528), (1720, 17962), (2408, 12830), (2566, 12040), (3010, 10264), (3440, 8981), (4816, 6415), (5132, 6020)]