64505140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{27103}}^1$

素因数の和:27136

約数の個数: 48

約数和(自身を含む): 163924992

約数和(自身を除く): 99419852

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 27103, 54206, 108412, 135515, 189721, 271030, 379442, 460751, 542060, 758884, 921502, 948605, 1843004, 1897210, 2303755, 3225257, 3794420, 4607510, 6450514, 9215020, 12901028, 16126285, 32252570, 64505140]

約数ペア:

[(1, 64505140), (2, 32252570), (4, 16126285), (5, 12901028), (7, 9215020), (10, 6450514), (14, 4607510), (17, 3794420), (20, 3225257), (28, 2303755), (34, 1897210), (35, 1843004), (68, 948605), (70, 921502), (85, 758884), (119, 542060), (140, 460751), (170, 379442), (238, 271030), (340, 189721), (476, 135515), (595, 108412), (1190, 54206), (2380, 27103)]