66951640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{34159}}^1$

素因数の和:34184

約数の個数: 48

約数和(自身を含む): 175240800

約数和(自身を除く): 108289160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 34159, 68318, 136636, 170795, 239113, 273272, 341590, 478226, 683180, 956452, 1195565, 1366360, 1673791, 1912904, 2391130, 3347582, 4782260, 6695164, 8368955, 9564520, 13390328, 16737910, 33475820, 66951640]

約数ペア:

[(1, 66951640), (2, 33475820), (4, 16737910), (5, 13390328), (7, 9564520), (8, 8368955), (10, 6695164), (14, 4782260), (20, 3347582), (28, 2391130), (35, 1912904), (40, 1673791), (49, 1366360), (56, 1195565), (70, 956452), (98, 683180), (140, 478226), (196, 341590), (245, 273272), (280, 239113), (392, 170795), (490, 136636), (980, 68318), (1960, 34159)]