80870004

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{863}}^1$

素因数の和:1029

約数の個数: 72

約数和(自身を含む): 217002240

約数和(自身を除く): 136132236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 137, 171, 228, 274, 342, 411, 548, 684, 822, 863, 1233, 1644, 1726, 2466, 2589, 2603, 3452, 4932, 5178, 5206, 7767, 7809, 10356, 10412, 15534, 15618, 16397, 23427, 31068, 31236, 32794, 46854, 49191, 65588, 93708, 98382, 118231, 147573, 196764, 236462, 295146, 354693, 472924, 590292, 709386, 1064079, 1418772, 2128158, 2246389, 4256316, 4492778, 6739167, 8985556, 13478334, 20217501, 26956668, 40435002, 80870004]

約数ペア:

[(1, 80870004), (2, 40435002), (3, 26956668), (4, 20217501), (6, 13478334), (9, 8985556), (12, 6739167), (18, 4492778), (19, 4256316), (36, 2246389), (38, 2128158), (57, 1418772), (76, 1064079), (114, 709386), (137, 590292), (171, 472924), (228, 354693), (274, 295146), (342, 236462), (411, 196764), (548, 147573), (684, 118231), (822, 98382), (863, 93708), (1233, 65588), (1644, 49191), (1726, 46854), (2466, 32794), (2589, 31236), (2603, 31068), (3452, 23427), (4932, 16397), (5178, 15618), (5206, 15534), (7767, 10412), (7809, 10356)]