2080860840

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{642241}}^1$

素因数の和:642264

約数の個数: 80

約数和(自身を含む): 6994015380

約数和(自身を除く): 4913154540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 642241, 1284482, 1926723, 2568964, 3211205, 3853446, 5137928, 5780169, 6422410, 7706892, 9633615, 11560338, 12844820, 15413784, 17340507, 19267230, 23120676, 25689640, 28900845, 34681014, 38534460, 46241352, 52021521, 57801690, 69362028, 77068920, 86702535, 104043042, 115603380, 138724056, 173405070, 208086084, 231206760, 260107605, 346810140, 416172168, 520215210, 693620280, 1040430420, 2080860840]

約数ペア:

[(1, 2080860840), (2, 1040430420), (3, 693620280), (4, 520215210), (5, 416172168), (6, 346810140), (8, 260107605), (9, 231206760), (10, 208086084), (12, 173405070), (15, 138724056), (18, 115603380), (20, 104043042), (24, 86702535), (27, 77068920), (30, 69362028), (36, 57801690), (40, 52021521), (45, 46241352), (54, 38534460), (60, 34681014), (72, 28900845), (81, 25689640), (90, 23120676), (108, 19267230), (120, 17340507), (135, 15413784), (162, 12844820), (180, 11560338), (216, 9633615), (270, 7706892), (324, 6422410), (360, 5780169), (405, 5137928), (540, 3853446), (648, 3211205), (810, 2568964), (1080, 1926723), (1620, 1284482), (3240, 642241)]