537317680

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{1433}}^1$

素因数の和:1598

約数の個数: 80

約数和(自身を含む): 1290944160

約数和(自身を除く): 753626480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 109, 172, 215, 218, 344, 430, 436, 545, 688, 860, 872, 1090, 1433, 1720, 1744, 2180, 2866, 3440, 4360, 4687, 5732, 7165, 8720, 9374, 11464, 14330, 18748, 22928, 23435, 28660, 37496, 46870, 57320, 61619, 74992, 93740, 114640, 123238, 156197, 187480, 246476, 308095, 312394, 374960, 492952, 616190, 624788, 780985, 985904, 1232380, 1249576, 1561970, 2464760, 2499152, 3123940, 4929520, 6247880, 6716471, 12495760, 13432942, 26865884, 33582355, 53731768, 67164710, 107463536, 134329420, 268658840, 537317680]

約数ペア:

[(1, 537317680), (2, 268658840), (4, 134329420), (5, 107463536), (8, 67164710), (10, 53731768), (16, 33582355), (20, 26865884), (40, 13432942), (43, 12495760), (80, 6716471), (86, 6247880), (109, 4929520), (172, 3123940), (215, 2499152), (218, 2464760), (344, 1561970), (430, 1249576), (436, 1232380), (545, 985904), (688, 780985), (860, 624788), (872, 616190), (1090, 492952), (1433, 374960), (1720, 312394), (1744, 308095), (2180, 246476), (2866, 187480), (3440, 156197), (4360, 123238), (4687, 114640), (5732, 93740), (7165, 74992), (8720, 61619), (9374, 57320), (11464, 46870), (14330, 37496), (18748, 28660), (22928, 23435)]