81620580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71597}}^1$

素因数の和:71628

約数の個数: 48

約数和(自身を含む): 240569280

約数和(自身を除く): 158948700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 71597, 143194, 214791, 286388, 357985, 429582, 715970, 859164, 1073955, 1360343, 1431940, 2147910, 2720686, 4081029, 4295820, 5441372, 6801715, 8162058, 13603430, 16324116, 20405145, 27206860, 40810290, 81620580]

約数ペア:

[(1, 81620580), (2, 40810290), (3, 27206860), (4, 20405145), (5, 16324116), (6, 13603430), (10, 8162058), (12, 6801715), (15, 5441372), (19, 4295820), (20, 4081029), (30, 2720686), (38, 2147910), (57, 1431940), (60, 1360343), (76, 1073955), (95, 859164), (114, 715970), (190, 429582), (228, 357985), (285, 286388), (380, 214791), (570, 143194), (1140, 71597)]