81560880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{113279}}^1$

素因数の和:113298

約数の個数: 60

約数和(自身を含む): 273911040

約数和(自身を除く): 192350160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 113279, 226558, 339837, 453116, 566395, 679674, 906232, 1019511, 1132790, 1359348, 1699185, 1812464, 2039022, 2265580, 2718696, 3398370, 4078044, 4531160, 5097555, 5437392, 6796740, 8156088, 9062320, 10195110, 13593480, 16312176, 20390220, 27186960, 40780440, 81560880]

約数ペア:

[(1, 81560880), (2, 40780440), (3, 27186960), (4, 20390220), (5, 16312176), (6, 13593480), (8, 10195110), (9, 9062320), (10, 8156088), (12, 6796740), (15, 5437392), (16, 5097555), (18, 4531160), (20, 4078044), (24, 3398370), (30, 2718696), (36, 2265580), (40, 2039022), (45, 1812464), (48, 1699185), (60, 1359348), (72, 1132790), (80, 1019511), (90, 906232), (120, 679674), (144, 566395), (180, 453116), (240, 339837), (360, 226558), (720, 113279)]