728671360

素因数分解:

$2^7\times 5^1\times {\mathrm{139}}^1\times {\mathrm{8191}}^1$

素因数の和:8349

約数の個数: 64

約数和(自身を含む): 1754726400

約数和(自身を除く): 1026055040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 278, 320, 556, 640, 695, 1112, 1390, 2224, 2780, 4448, 5560, 8191, 8896, 11120, 16382, 17792, 22240, 32764, 40955, 44480, 65528, 81910, 88960, 131056, 163820, 262112, 327640, 524224, 655280, 1048448, 1138549, 1310560, 2277098, 2621120, 4554196, 5242240, 5692745, 9108392, 11385490, 18216784, 22770980, 36433568, 45541960, 72867136, 91083920, 145734272, 182167840, 364335680, 728671360]

約数ペア:

[(1, 728671360), (2, 364335680), (4, 182167840), (5, 145734272), (8, 91083920), (10, 72867136), (16, 45541960), (20, 36433568), (32, 22770980), (40, 18216784), (64, 11385490), (80, 9108392), (128, 5692745), (139, 5242240), (160, 4554196), (278, 2621120), (320, 2277098), (556, 1310560), (640, 1138549), (695, 1048448), (1112, 655280), (1390, 524224), (2224, 327640), (2780, 262112), (4448, 163820), (5560, 131056), (8191, 88960), (8896, 81910), (11120, 65528), (16382, 44480), (17792, 40955), (22240, 32764)]