261730157080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{4697239}}^1$

素因数の和:4697456

約数の個数: 64

約数和(自身を含む): 676402560000

約数和(自身を除く): 414672402920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 199, 280, 398, 796, 995, 1393, 1592, 1990, 2786, 3980, 5572, 6965, 7960, 11144, 13930, 27860, 55720, 4697239, 9394478, 18788956, 23486195, 32880673, 37577912, 46972390, 65761346, 93944780, 131522692, 164403365, 187889560, 263045384, 328806730, 657613460, 934750561, 1315226920, 1869501122, 3739002244, 4673752805, 6543253927, 7478004488, 9347505610, 13086507854, 18695011220, 26173015708, 32716269635, 37390022440, 52346031416, 65432539270, 130865078540, 261730157080]

約数ペア:

[(1, 261730157080), (2, 130865078540), (4, 65432539270), (5, 52346031416), (7, 37390022440), (8, 32716269635), (10, 26173015708), (14, 18695011220), (20, 13086507854), (28, 9347505610), (35, 7478004488), (40, 6543253927), (56, 4673752805), (70, 3739002244), (140, 1869501122), (199, 1315226920), (280, 934750561), (398, 657613460), (796, 328806730), (995, 263045384), (1393, 187889560), (1592, 164403365), (1990, 131522692), (2786, 93944780), (3980, 65761346), (5572, 46972390), (6965, 37577912), (7960, 32880673), (11144, 23486195), (13930, 18788956), (27860, 9394478), (55720, 4697239)]