78815640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21187}}^1$

素因数の和:21232

約数の個数: 64

約数和(自身を含む): 244085760

約数和(自身を除く): 165270120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 21187, 42374, 63561, 84748, 105935, 127122, 169496, 211870, 254244, 317805, 423740, 508488, 635610, 656797, 847480, 1271220, 1313594, 1970391, 2542440, 2627188, 3283985, 3940782, 5254376, 6567970, 7881564, 9851955, 13135940, 15763128, 19703910, 26271880, 39407820, 78815640]

約数ペア:

[(1, 78815640), (2, 39407820), (3, 26271880), (4, 19703910), (5, 15763128), (6, 13135940), (8, 9851955), (10, 7881564), (12, 6567970), (15, 5254376), (20, 3940782), (24, 3283985), (30, 2627188), (31, 2542440), (40, 1970391), (60, 1313594), (62, 1271220), (93, 847480), (120, 656797), (124, 635610), (155, 508488), (186, 423740), (248, 317805), (310, 254244), (372, 211870), (465, 169496), (620, 127122), (744, 105935), (930, 84748), (1240, 63561), (1860, 42374), (3720, 21187)]