66859240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3271}}^1$

素因数の和:3362

約数の個数: 64

約数和(自身を含む): 174332160

約数和(自身を除く): 107472920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1460, 2044, 2555, 2920, 3271, 4088, 5110, 6542, 10220, 13084, 16355, 20440, 22897, 26168, 32710, 45794, 65420, 91588, 114485, 130840, 183176, 228970, 238783, 457940, 477566, 915880, 955132, 1193915, 1671481, 1910264, 2387830, 3342962, 4775660, 6685924, 8357405, 9551320, 13371848, 16714810, 33429620, 66859240]

約数ペア:

[(1, 66859240), (2, 33429620), (4, 16714810), (5, 13371848), (7, 9551320), (8, 8357405), (10, 6685924), (14, 4775660), (20, 3342962), (28, 2387830), (35, 1910264), (40, 1671481), (56, 1193915), (70, 955132), (73, 915880), (140, 477566), (146, 457940), (280, 238783), (292, 228970), (365, 183176), (511, 130840), (584, 114485), (730, 91588), (1022, 65420), (1460, 45794), (2044, 32710), (2555, 26168), (2920, 22897), (3271, 20440), (4088, 16355), (5110, 13084), (6542, 10220)]