66187660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{42979}}^1$

素因数の和:43006

約数の個数: 48

約数和(自身を含む): 173295360

約数和(自身を除く): 107107700

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 42979, 85958, 171916, 214895, 300853, 429790, 472769, 601706, 859580, 945538, 1203412, 1504265, 1891076, 2363845, 3008530, 3309383, 4727690, 6017060, 6618766, 9455380, 13237532, 16546915, 33093830, 66187660]

約数ペア:

[(1, 66187660), (2, 33093830), (4, 16546915), (5, 13237532), (7, 9455380), (10, 6618766), (11, 6017060), (14, 4727690), (20, 3309383), (22, 3008530), (28, 2363845), (35, 1891076), (44, 1504265), (55, 1203412), (70, 945538), (77, 859580), (110, 601706), (140, 472769), (154, 429790), (220, 300853), (308, 214895), (385, 171916), (770, 85958), (1540, 42979)]