320480920

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{229}}^1\times {\mathrm{593}}^1$

素因数の和:892

約数の個数: 64

約数和(自身を含む): 737748000

約数和(自身を除く): 417267080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 229, 236, 295, 458, 472, 590, 593, 916, 1145, 1180, 1186, 1832, 2290, 2360, 2372, 2965, 4580, 4744, 5930, 9160, 11860, 13511, 23720, 27022, 34987, 54044, 67555, 69974, 108088, 135110, 135797, 139948, 174935, 270220, 271594, 279896, 349870, 540440, 543188, 678985, 699740, 1086376, 1357970, 1399480, 2715940, 5431880, 8012023, 16024046, 32048092, 40060115, 64096184, 80120230, 160240460, 320480920]

約数ペア:

[(1, 320480920), (2, 160240460), (4, 80120230), (5, 64096184), (8, 40060115), (10, 32048092), (20, 16024046), (40, 8012023), (59, 5431880), (118, 2715940), (229, 1399480), (236, 1357970), (295, 1086376), (458, 699740), (472, 678985), (590, 543188), (593, 540440), (916, 349870), (1145, 279896), (1180, 271594), (1186, 270220), (1832, 174935), (2290, 139948), (2360, 135797), (2372, 135110), (2965, 108088), (4580, 69974), (4744, 67555), (5930, 54044), (9160, 34987), (11860, 27022), (13511, 23720)]