17564720

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:222

約数の個数: 80

約数和(自身を含む): 43256160

約数和(自身を除く): 25691440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 67, 80, 113, 116, 134, 145, 226, 232, 268, 290, 335, 452, 464, 536, 565, 580, 670, 904, 1072, 1130, 1160, 1340, 1808, 1943, 2260, 2320, 2680, 3277, 3886, 4520, 5360, 6554, 7571, 7772, 9040, 9715, 13108, 15142, 15544, 16385, 19430, 26216, 30284, 31088, 32770, 37855, 38860, 52432, 60568, 65540, 75710, 77720, 121136, 131080, 151420, 155440, 219559, 262160, 302840, 439118, 605680, 878236, 1097795, 1756472, 2195590, 3512944, 4391180, 8782360, 17564720]

約数ペア:

[(1, 17564720), (2, 8782360), (4, 4391180), (5, 3512944), (8, 2195590), (10, 1756472), (16, 1097795), (20, 878236), (29, 605680), (40, 439118), (58, 302840), (67, 262160), (80, 219559), (113, 155440), (116, 151420), (134, 131080), (145, 121136), (226, 77720), (232, 75710), (268, 65540), (290, 60568), (335, 52432), (452, 38860), (464, 37855), (536, 32770), (565, 31088), (580, 30284), (670, 26216), (904, 19430), (1072, 16385), (1130, 15544), (1160, 15142), (1340, 13108), (1808, 9715), (1943, 9040), (2260, 7772), (2320, 7571), (2680, 6554), (3277, 5360), (3886, 4520)]