66611680

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^2\times {\mathrm{787}}^1$

素因数の和:848

約数の個数: 72

約数和(自身を含む): 164718792

約数和(自身を除く): 98107112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 529, 736, 787, 920, 1058, 1574, 1840, 2116, 2645, 3148, 3680, 3935, 4232, 5290, 6296, 7870, 8464, 10580, 12592, 15740, 16928, 18101, 21160, 25184, 31480, 36202, 42320, 62960, 72404, 84640, 90505, 125920, 144808, 181010, 289616, 362020, 416323, 579232, 724040, 832646, 1448080, 1665292, 2081615, 2896160, 3330584, 4163230, 6661168, 8326460, 13322336, 16652920, 33305840, 66611680]

約数ペア:

[(1, 66611680), (2, 33305840), (4, 16652920), (5, 13322336), (8, 8326460), (10, 6661168), (16, 4163230), (20, 3330584), (23, 2896160), (32, 2081615), (40, 1665292), (46, 1448080), (80, 832646), (92, 724040), (115, 579232), (160, 416323), (184, 362020), (230, 289616), (368, 181010), (460, 144808), (529, 125920), (736, 90505), (787, 84640), (920, 72404), (1058, 62960), (1574, 42320), (1840, 36202), (2116, 31480), (2645, 25184), (3148, 21160), (3680, 18101), (3935, 16928), (4232, 15740), (5290, 12592), (6296, 10580), (7870, 8464)]