15880760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1319}}^1$

素因数の和:1380

約数の個数: 64

約数和(自身を含む): 41817600

約数和(自身を除く): 25936840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1319, 1505, 1720, 2408, 2638, 3010, 5276, 6020, 6595, 9233, 10552, 12040, 13190, 18466, 26380, 36932, 46165, 52760, 56717, 73864, 92330, 113434, 184660, 226868, 283585, 369320, 397019, 453736, 567170, 794038, 1134340, 1588076, 1985095, 2268680, 3176152, 3970190, 7940380, 15880760]

約数ペア:

[(1, 15880760), (2, 7940380), (4, 3970190), (5, 3176152), (7, 2268680), (8, 1985095), (10, 1588076), (14, 1134340), (20, 794038), (28, 567170), (35, 453736), (40, 397019), (43, 369320), (56, 283585), (70, 226868), (86, 184660), (140, 113434), (172, 92330), (215, 73864), (280, 56717), (301, 52760), (344, 46165), (430, 36932), (602, 26380), (860, 18466), (1204, 13190), (1319, 12040), (1505, 10552), (1720, 9233), (2408, 6595), (2638, 6020), (3010, 5276)]