131215890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{2143}}^1$

素因数の和:2323

約数の個数: 64

約数和(自身を含む): 341462016

約数和(自身を除く): 210246126

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 157, 195, 314, 390, 471, 785, 942, 1570, 2041, 2143, 2355, 4082, 4286, 4710, 6123, 6429, 10205, 10715, 12246, 12858, 20410, 21430, 27859, 30615, 32145, 55718, 61230, 64290, 83577, 139295, 167154, 278590, 336451, 417885, 672902, 835770, 1009353, 1682255, 2018706, 3364510, 4373863, 5046765, 8747726, 10093530, 13121589, 21869315, 26243178, 43738630, 65607945, 131215890]

約数ペア:

[(1, 131215890), (2, 65607945), (3, 43738630), (5, 26243178), (6, 21869315), (10, 13121589), (13, 10093530), (15, 8747726), (26, 5046765), (30, 4373863), (39, 3364510), (65, 2018706), (78, 1682255), (130, 1009353), (157, 835770), (195, 672902), (314, 417885), (390, 336451), (471, 278590), (785, 167154), (942, 139295), (1570, 83577), (2041, 64290), (2143, 61230), (2355, 55718), (4082, 32145), (4286, 30615), (4710, 27859), (6123, 21430), (6429, 20410), (10205, 12858), (10715, 12246)]