858611960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{16103}}^1$

素因数の和:16188

約数の個数: 64

約数和(自身を含む): 2040698880

約数和(自身を除く): 1182086920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 620, 860, 1240, 1333, 1720, 2666, 5332, 6665, 10664, 13330, 16103, 26660, 32206, 53320, 64412, 80515, 128824, 161030, 322060, 499193, 644120, 692429, 998386, 1384858, 1996772, 2495965, 2769716, 3462145, 3993544, 4991930, 5539432, 6924290, 9983860, 13848580, 19967720, 21465299, 27697160, 42930598, 85861196, 107326495, 171722392, 214652990, 429305980, 858611960]

約数ペア:

[(1, 858611960), (2, 429305980), (4, 214652990), (5, 171722392), (8, 107326495), (10, 85861196), (20, 42930598), (31, 27697160), (40, 21465299), (43, 19967720), (62, 13848580), (86, 9983860), (124, 6924290), (155, 5539432), (172, 4991930), (215, 3993544), (248, 3462145), (310, 2769716), (344, 2495965), (430, 1996772), (620, 1384858), (860, 998386), (1240, 692429), (1333, 644120), (1720, 499193), (2666, 322060), (5332, 161030), (6665, 128824), (10664, 80515), (13330, 64412), (16103, 53320), (26660, 32206)]