27909560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{379}}^1$

素因数の和:660

約数の個数: 64

約数和(自身を含む): 72230400

約数和(自身を除く): 44320840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 263, 280, 379, 526, 758, 1052, 1315, 1516, 1841, 1895, 2104, 2630, 2653, 3032, 3682, 3790, 5260, 5306, 7364, 7580, 9205, 10520, 10612, 13265, 14728, 15160, 18410, 21224, 26530, 36820, 53060, 73640, 99677, 106120, 199354, 398708, 498385, 697739, 797416, 996770, 1395478, 1993540, 2790956, 3488695, 3987080, 5581912, 6977390, 13954780, 27909560]

約数ペア:

[(1, 27909560), (2, 13954780), (4, 6977390), (5, 5581912), (7, 3987080), (8, 3488695), (10, 2790956), (14, 1993540), (20, 1395478), (28, 996770), (35, 797416), (40, 697739), (56, 498385), (70, 398708), (140, 199354), (263, 106120), (280, 99677), (379, 73640), (526, 53060), (758, 36820), (1052, 26530), (1315, 21224), (1516, 18410), (1841, 15160), (1895, 14728), (2104, 13265), (2630, 10612), (2653, 10520), (3032, 9205), (3682, 7580), (3790, 7364), (5260, 5306)]