128654040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{22811}}^1$

素因数の和:22872

約数の個数: 64

約数和(自身を含む): 394191360

約数和(自身を除く): 265537320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1410, 1880, 2820, 5640, 22811, 45622, 68433, 91244, 114055, 136866, 182488, 228110, 273732, 342165, 456220, 547464, 684330, 912440, 1072117, 1368660, 2144234, 2737320, 3216351, 4288468, 5360585, 6432702, 8576936, 10721170, 12865404, 16081755, 21442340, 25730808, 32163510, 42884680, 64327020, 128654040]

約数ペア:

[(1, 128654040), (2, 64327020), (3, 42884680), (4, 32163510), (5, 25730808), (6, 21442340), (8, 16081755), (10, 12865404), (12, 10721170), (15, 8576936), (20, 6432702), (24, 5360585), (30, 4288468), (40, 3216351), (47, 2737320), (60, 2144234), (94, 1368660), (120, 1072117), (141, 912440), (188, 684330), (235, 547464), (282, 456220), (376, 342165), (470, 273732), (564, 228110), (705, 182488), (940, 136866), (1128, 114055), (1410, 91244), (1880, 68433), (2820, 45622), (5640, 22811)]