1319501680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{21617}}^1$

素因数の和:21746

約数の個数: 80

約数和(自身を含む): 3538434240

約数和(自身を除く): 2218932560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 109, 112, 140, 218, 280, 436, 545, 560, 763, 872, 1090, 1526, 1744, 2180, 3052, 3815, 4360, 6104, 7630, 8720, 12208, 15260, 21617, 30520, 43234, 61040, 86468, 108085, 151319, 172936, 216170, 302638, 345872, 432340, 605276, 756595, 864680, 1210552, 1513190, 1729360, 2356253, 2421104, 3026380, 4712506, 6052760, 9425012, 11781265, 12105520, 16493771, 18850024, 23562530, 32987542, 37700048, 47125060, 65975084, 82468855, 94250120, 131950168, 164937710, 188500240, 263900336, 329875420, 659750840, 1319501680]

約数ペア:

[(1, 1319501680), (2, 659750840), (4, 329875420), (5, 263900336), (7, 188500240), (8, 164937710), (10, 131950168), (14, 94250120), (16, 82468855), (20, 65975084), (28, 47125060), (35, 37700048), (40, 32987542), (56, 23562530), (70, 18850024), (80, 16493771), (109, 12105520), (112, 11781265), (140, 9425012), (218, 6052760), (280, 4712506), (436, 3026380), (545, 2421104), (560, 2356253), (763, 1729360), (872, 1513190), (1090, 1210552), (1526, 864680), (1744, 756595), (2180, 605276), (3052, 432340), (3815, 345872), (4360, 302638), (6104, 216170), (7630, 172936), (8720, 151319), (12208, 108085), (15260, 86468), (21617, 61040), (30520, 43234)]