30578920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{233}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 73541520

約数和(自身を除く): 42962600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 193, 233, 340, 386, 466, 680, 772, 932, 965, 1165, 1544, 1864, 1930, 2330, 3281, 3860, 3961, 4660, 6562, 7720, 7922, 9320, 13124, 15844, 16405, 19805, 26248, 31688, 32810, 39610, 44969, 65620, 79220, 89938, 131240, 158440, 179876, 224845, 359752, 449690, 764473, 899380, 1528946, 1798760, 3057892, 3822365, 6115784, 7644730, 15289460, 30578920]

約数ペア:

[(1, 30578920), (2, 15289460), (4, 7644730), (5, 6115784), (8, 3822365), (10, 3057892), (17, 1798760), (20, 1528946), (34, 899380), (40, 764473), (68, 449690), (85, 359752), (136, 224845), (170, 179876), (193, 158440), (233, 131240), (340, 89938), (386, 79220), (466, 65620), (680, 44969), (772, 39610), (932, 32810), (965, 31688), (1165, 26248), (1544, 19805), (1864, 16405), (1930, 15844), (2330, 13124), (3281, 9320), (3860, 7922), (3961, 7720), (4660, 6562)]