168015920

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{719}}^1$

素因数の和:882

約数の個数: 80

約数和(自身を含む): 411402240

約数和(自身を除く): 243386320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 127, 184, 230, 254, 368, 460, 508, 635, 719, 920, 1016, 1270, 1438, 1840, 2032, 2540, 2876, 2921, 3595, 5080, 5752, 5842, 7190, 10160, 11504, 11684, 14380, 14605, 16537, 23368, 28760, 29210, 33074, 46736, 57520, 58420, 66148, 82685, 91313, 116840, 132296, 165370, 182626, 233680, 264592, 330740, 365252, 456565, 661480, 730504, 913130, 1322960, 1461008, 1826260, 2100199, 3652520, 4200398, 7305040, 8400796, 10500995, 16801592, 21001990, 33603184, 42003980, 84007960, 168015920]

約数ペア:

[(1, 168015920), (2, 84007960), (4, 42003980), (5, 33603184), (8, 21001990), (10, 16801592), (16, 10500995), (20, 8400796), (23, 7305040), (40, 4200398), (46, 3652520), (80, 2100199), (92, 1826260), (115, 1461008), (127, 1322960), (184, 913130), (230, 730504), (254, 661480), (368, 456565), (460, 365252), (508, 330740), (635, 264592), (719, 233680), (920, 182626), (1016, 165370), (1270, 132296), (1438, 116840), (1840, 91313), (2032, 82685), (2540, 66148), (2876, 58420), (2921, 57520), (3595, 46736), (5080, 33074), (5752, 29210), (5842, 28760), (7190, 23368), (10160, 16537), (11504, 14605), (11684, 14380)]