64864520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{13627}}^1$

素因数の和:13662

約数の個数: 64

約数和(自身を含む): 176618880

約数和(自身を除く): 111754360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4760, 13627, 27254, 54508, 68135, 95389, 109016, 136270, 190778, 231659, 272540, 381556, 463318, 476945, 545080, 763112, 926636, 953890, 1158295, 1621613, 1853272, 1907780, 2316590, 3243226, 3815560, 4633180, 6486452, 8108065, 9266360, 12972904, 16216130, 32432260, 64864520]

約数ペア:

[(1, 64864520), (2, 32432260), (4, 16216130), (5, 12972904), (7, 9266360), (8, 8108065), (10, 6486452), (14, 4633180), (17, 3815560), (20, 3243226), (28, 2316590), (34, 1907780), (35, 1853272), (40, 1621613), (56, 1158295), (68, 953890), (70, 926636), (85, 763112), (119, 545080), (136, 476945), (140, 463318), (170, 381556), (238, 272540), (280, 231659), (340, 190778), (476, 136270), (595, 109016), (680, 95389), (952, 68135), (1190, 54508), (2380, 27254), (4760, 13627)]