217679640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{18701}}^1$

素因数の和:18812

約数の個数: 64

約数和(自身を含む): 659806560

約数和(自身を除く): 442126920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 388, 485, 582, 776, 970, 1164, 1455, 1940, 2328, 2910, 3880, 5820, 11640, 18701, 37402, 56103, 74804, 93505, 112206, 149608, 187010, 224412, 280515, 374020, 448824, 561030, 748040, 1122060, 1813997, 2244120, 3627994, 5441991, 7255988, 9069985, 10883982, 14511976, 18139970, 21767964, 27209955, 36279940, 43535928, 54419910, 72559880, 108839820, 217679640]

約数ペア:

[(1, 217679640), (2, 108839820), (3, 72559880), (4, 54419910), (5, 43535928), (6, 36279940), (8, 27209955), (10, 21767964), (12, 18139970), (15, 14511976), (20, 10883982), (24, 9069985), (30, 7255988), (40, 5441991), (60, 3627994), (97, 2244120), (120, 1813997), (194, 1122060), (291, 748040), (388, 561030), (485, 448824), (582, 374020), (776, 280515), (970, 224412), (1164, 187010), (1455, 149608), (1940, 112206), (2328, 93505), (2910, 74804), (3880, 56103), (5820, 37402), (11640, 18701)]