172811440

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{233}}^1$

素因数の和:446

約数の個数: 80

約数和(自身を含む): 412259328

約数和(自身を除く): 239447888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 127, 146, 233, 254, 292, 365, 466, 508, 584, 635, 730, 932, 1016, 1165, 1168, 1270, 1460, 1864, 2032, 2330, 2540, 2920, 3728, 4660, 5080, 5840, 9271, 9320, 10160, 17009, 18542, 18640, 29591, 34018, 37084, 46355, 59182, 68036, 74168, 85045, 92710, 118364, 136072, 147955, 148336, 170090, 185420, 236728, 272144, 295910, 340180, 370840, 473456, 591820, 680360, 741680, 1183640, 1360720, 2160143, 2367280, 4320286, 8640572, 10800715, 17281144, 21601430, 34562288, 43202860, 86405720, 172811440]

約数ペア:

[(1, 172811440), (2, 86405720), (4, 43202860), (5, 34562288), (8, 21601430), (10, 17281144), (16, 10800715), (20, 8640572), (40, 4320286), (73, 2367280), (80, 2160143), (127, 1360720), (146, 1183640), (233, 741680), (254, 680360), (292, 591820), (365, 473456), (466, 370840), (508, 340180), (584, 295910), (635, 272144), (730, 236728), (932, 185420), (1016, 170090), (1165, 148336), (1168, 147955), (1270, 136072), (1460, 118364), (1864, 92710), (2032, 85045), (2330, 74168), (2540, 68036), (2920, 59182), (3728, 46355), (4660, 37084), (5080, 34018), (5840, 29591), (9271, 18640), (9320, 18542), (10160, 17009)]