15938772440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{128663}}^1$

素因数の和:128856

約数の個数: 64

約数和(自身を含む): 37981612800

約数和(自身を除く): 22042840360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 163, 190, 326, 380, 652, 760, 815, 1304, 1630, 3097, 3260, 6194, 6520, 12388, 15485, 24776, 30970, 61940, 123880, 128663, 257326, 514652, 643315, 1029304, 1286630, 2444597, 2573260, 4889194, 5146520, 9778388, 12222985, 19556776, 20972069, 24445970, 41944138, 48891940, 83888276, 97783880, 104860345, 167776552, 209720690, 398469311, 419441380, 796938622, 838882760, 1593877244, 1992346555, 3187754488, 3984693110, 7969386220, 15938772440]

約数ペア:

[(1, 15938772440), (2, 7969386220), (4, 3984693110), (5, 3187754488), (8, 1992346555), (10, 1593877244), (19, 838882760), (20, 796938622), (38, 419441380), (40, 398469311), (76, 209720690), (95, 167776552), (152, 104860345), (163, 97783880), (190, 83888276), (326, 48891940), (380, 41944138), (652, 24445970), (760, 20972069), (815, 19556776), (1304, 12222985), (1630, 9778388), (3097, 5146520), (3260, 4889194), (6194, 2573260), (6520, 2444597), (12388, 1286630), (15485, 1029304), (24776, 643315), (30970, 514652), (61940, 257326), (123880, 128663)]