7768720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{269}}^1$

素因数の和:320

約数の個数: 60

約数和(自身を含む): 19133820

約数和(自身を除く): 11365100

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 269, 304, 361, 380, 538, 722, 760, 1076, 1345, 1444, 1520, 1805, 2152, 2690, 2888, 3610, 4304, 5111, 5380, 5776, 7220, 10222, 10760, 14440, 20444, 21520, 25555, 28880, 40888, 51110, 81776, 97109, 102220, 194218, 204440, 388436, 408880, 485545, 776872, 971090, 1553744, 1942180, 3884360, 7768720]

約数ペア:

[(1, 7768720), (2, 3884360), (4, 1942180), (5, 1553744), (8, 971090), (10, 776872), (16, 485545), (19, 408880), (20, 388436), (38, 204440), (40, 194218), (76, 102220), (80, 97109), (95, 81776), (152, 51110), (190, 40888), (269, 28880), (304, 25555), (361, 21520), (380, 20444), (538, 14440), (722, 10760), (760, 10222), (1076, 7220), (1345, 5776), (1444, 5380), (1520, 5111), (1805, 4304), (2152, 3610), (2690, 2888)]