166618240

素因数分解:

$2^7\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1013}}^1$

素因数の和:1289

約数の個数: 64

約数和(自身を含む): 400266360

約数和(自身を除く): 233648120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 257, 320, 514, 640, 1013, 1028, 1285, 2026, 2056, 2570, 4052, 4112, 5065, 5140, 8104, 8224, 10130, 10280, 16208, 16448, 20260, 20560, 32416, 32896, 40520, 41120, 64832, 81040, 82240, 129664, 162080, 164480, 260341, 324160, 520682, 648320, 1041364, 1301705, 2082728, 2603410, 4165456, 5206820, 8330912, 10413640, 16661824, 20827280, 33323648, 41654560, 83309120, 166618240]

約数ペア:

[(1, 166618240), (2, 83309120), (4, 41654560), (5, 33323648), (8, 20827280), (10, 16661824), (16, 10413640), (20, 8330912), (32, 5206820), (40, 4165456), (64, 2603410), (80, 2082728), (128, 1301705), (160, 1041364), (257, 648320), (320, 520682), (514, 324160), (640, 260341), (1013, 164480), (1028, 162080), (1285, 129664), (2026, 82240), (2056, 81040), (2570, 64832), (4052, 41120), (4112, 40520), (5065, 32896), (5140, 32416), (8104, 20560), (8224, 20260), (10130, 16448), (10280, 16208)]