66711800

素因数分解:

$2^3\times 5^2\times {\mathrm{47}}^2\times {\mathrm{151}}^1$

素因数の和:261

約数の個数: 72

約数和(自身を含む): 159524760

約数和(自身を除く): 92812960

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 47, 50, 94, 100, 151, 188, 200, 235, 302, 376, 470, 604, 755, 940, 1175, 1208, 1510, 1880, 2209, 2350, 3020, 3775, 4418, 4700, 6040, 7097, 7550, 8836, 9400, 11045, 14194, 15100, 17672, 22090, 28388, 30200, 35485, 44180, 55225, 56776, 70970, 88360, 110450, 141940, 177425, 220900, 283880, 333559, 354850, 441800, 667118, 709700, 1334236, 1419400, 1667795, 2668472, 3335590, 6671180, 8338975, 13342360, 16677950, 33355900, 66711800]

約数ペア:

[(1, 66711800), (2, 33355900), (4, 16677950), (5, 13342360), (8, 8338975), (10, 6671180), (20, 3335590), (25, 2668472), (40, 1667795), (47, 1419400), (50, 1334236), (94, 709700), (100, 667118), (151, 441800), (188, 354850), (200, 333559), (235, 283880), (302, 220900), (376, 177425), (470, 141940), (604, 110450), (755, 88360), (940, 70970), (1175, 56776), (1208, 55225), (1510, 44180), (1880, 35485), (2209, 30200), (2350, 28388), (3020, 22090), (3775, 17672), (4418, 15100), (4700, 14194), (6040, 11045), (7097, 9400), (7550, 8836)]