27421520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2129}}^1$

素因数の和:2172

約数の個数: 80

約数和(自身を含む): 76066560

約数和(自身を除く): 48645040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2129, 2576, 3220, 4258, 6440, 8516, 10645, 12880, 14903, 17032, 21290, 29806, 34064, 42580, 48967, 59612, 74515, 85160, 97934, 119224, 149030, 170320, 195868, 238448, 244835, 298060, 342769, 391736, 489670, 596120, 685538, 783472, 979340, 1192240, 1371076, 1713845, 1958680, 2742152, 3427690, 3917360, 5484304, 6855380, 13710760, 27421520]

約数ペア:

[(1, 27421520), (2, 13710760), (4, 6855380), (5, 5484304), (7, 3917360), (8, 3427690), (10, 2742152), (14, 1958680), (16, 1713845), (20, 1371076), (23, 1192240), (28, 979340), (35, 783472), (40, 685538), (46, 596120), (56, 489670), (70, 391736), (80, 342769), (92, 298060), (112, 244835), (115, 238448), (140, 195868), (161, 170320), (184, 149030), (230, 119224), (280, 97934), (322, 85160), (368, 74515), (460, 59612), (560, 48967), (644, 42580), (805, 34064), (920, 29806), (1288, 21290), (1610, 17032), (1840, 14903), (2129, 12880), (2576, 10645), (3220, 8516), (4258, 6440)]