1581080

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^2\times {\mathrm{47}}^1$

素因数の和:116

約数の個数: 48

約数和(自身を含む): 3762720

約数和(自身を除く): 2181640

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 47, 58, 94, 116, 145, 188, 232, 235, 290, 376, 470, 580, 841, 940, 1160, 1363, 1682, 1880, 2726, 3364, 4205, 5452, 6728, 6815, 8410, 10904, 13630, 16820, 27260, 33640, 39527, 54520, 79054, 158108, 197635, 316216, 395270, 790540, 1581080]

約数ペア:

[(1, 1581080), (2, 790540), (4, 395270), (5, 316216), (8, 197635), (10, 158108), (20, 79054), (29, 54520), (40, 39527), (47, 33640), (58, 27260), (94, 16820), (116, 13630), (145, 10904), (188, 8410), (232, 6815), (235, 6728), (290, 5452), (376, 4205), (470, 3364), (580, 2726), (841, 1880), (940, 1682), (1160, 1363)]