72684880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47819}}^1$

素因数の和:47851

約数の個数: 40

約数和(自身を含む): 177890400

約数和(自身を除く): 105205520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 47819, 95638, 191276, 239095, 382552, 478190, 765104, 908561, 956380, 1817122, 1912760, 3634244, 3825520, 4542805, 7268488, 9085610, 14536976, 18171220, 36342440, 72684880]

約数ペア:

[(1, 72684880), (2, 36342440), (4, 18171220), (5, 14536976), (8, 9085610), (10, 7268488), (16, 4542805), (19, 3825520), (20, 3634244), (38, 1912760), (40, 1817122), (76, 956380), (80, 908561), (95, 765104), (152, 478190), (190, 382552), (304, 239095), (380, 191276), (760, 95638), (1520, 47819)]