72617480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1913}}^1$

素因数の和:2010

約数の個数: 64

約数和(自身を含む): 178461360

約数和(自身を除く): 105843880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 73, 104, 130, 146, 260, 292, 365, 520, 584, 730, 949, 1460, 1898, 1913, 2920, 3796, 3826, 4745, 7592, 7652, 9490, 9565, 15304, 18980, 19130, 24869, 37960, 38260, 49738, 76520, 99476, 124345, 139649, 198952, 248690, 279298, 497380, 558596, 698245, 994760, 1117192, 1396490, 1815437, 2792980, 3630874, 5585960, 7261748, 9077185, 14523496, 18154370, 36308740, 72617480]

約数ペア:

[(1, 72617480), (2, 36308740), (4, 18154370), (5, 14523496), (8, 9077185), (10, 7261748), (13, 5585960), (20, 3630874), (26, 2792980), (40, 1815437), (52, 1396490), (65, 1117192), (73, 994760), (104, 698245), (130, 558596), (146, 497380), (260, 279298), (292, 248690), (365, 198952), (520, 139649), (584, 124345), (730, 99476), (949, 76520), (1460, 49738), (1898, 38260), (1913, 37960), (2920, 24869), (3796, 19130), (3826, 18980), (4745, 15304), (7592, 9565), (7652, 9490)]