1119061520

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{269}}^1\times {\mathrm{349}}^1$

素因数の和:780

約数の個数: 80

約数和(自身を含む): 2636550000

約数和(自身を除く): 1517488480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 269, 298, 349, 538, 596, 698, 745, 1076, 1192, 1345, 1396, 1490, 1745, 2152, 2384, 2690, 2792, 2980, 3490, 4304, 5380, 5584, 5960, 6980, 10760, 11920, 13960, 21520, 27920, 40081, 52001, 80162, 93881, 104002, 160324, 187762, 200405, 208004, 260005, 320648, 375524, 400810, 416008, 469405, 520010, 641296, 751048, 801620, 832016, 938810, 1040020, 1502096, 1603240, 1877620, 2080040, 3206480, 3755240, 4160080, 7510480, 13988269, 27976538, 55953076, 69941345, 111906152, 139882690, 223812304, 279765380, 559530760, 1119061520]

約数ペア:

[(1, 1119061520), (2, 559530760), (4, 279765380), (5, 223812304), (8, 139882690), (10, 111906152), (16, 69941345), (20, 55953076), (40, 27976538), (80, 13988269), (149, 7510480), (269, 4160080), (298, 3755240), (349, 3206480), (538, 2080040), (596, 1877620), (698, 1603240), (745, 1502096), (1076, 1040020), (1192, 938810), (1345, 832016), (1396, 801620), (1490, 751048), (1745, 641296), (2152, 520010), (2384, 469405), (2690, 416008), (2792, 400810), (2980, 375524), (3490, 320648), (4304, 260005), (5380, 208004), (5584, 200405), (5960, 187762), (6980, 160324), (10760, 104002), (11920, 93881), (13960, 80162), (21520, 52001), (27920, 40081)]