75666040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:620

約数の個数: 64

約数和(自身を含む): 177408000

約数和(自身を除く): 101741960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 139, 155, 248, 278, 310, 439, 556, 620, 695, 878, 1112, 1240, 1390, 1756, 2195, 2780, 3512, 4309, 4390, 5560, 8618, 8780, 13609, 17236, 17560, 21545, 27218, 34472, 43090, 54436, 61021, 68045, 86180, 108872, 122042, 136090, 172360, 244084, 272180, 305105, 488168, 544360, 610210, 1220420, 1891651, 2440840, 3783302, 7566604, 9458255, 15133208, 18916510, 37833020, 75666040]

約数ペア:

[(1, 75666040), (2, 37833020), (4, 18916510), (5, 15133208), (8, 9458255), (10, 7566604), (20, 3783302), (31, 2440840), (40, 1891651), (62, 1220420), (124, 610210), (139, 544360), (155, 488168), (248, 305105), (278, 272180), (310, 244084), (439, 172360), (556, 136090), (620, 122042), (695, 108872), (878, 86180), (1112, 68045), (1240, 61021), (1390, 54436), (1756, 43090), (2195, 34472), (2780, 27218), (3512, 21545), (4309, 17560), (4390, 17236), (5560, 13609), (8618, 8780)]