181004080

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1279}}^1$

素因数の和:1382

約数の個数: 80

約数和(自身を含む): 442828800

約数和(自身を除く): 261824720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 61, 80, 116, 122, 145, 232, 244, 290, 305, 464, 488, 580, 610, 976, 1160, 1220, 1279, 1769, 2320, 2440, 2558, 3538, 4880, 5116, 6395, 7076, 8845, 10232, 12790, 14152, 17690, 20464, 25580, 28304, 35380, 37091, 51160, 70760, 74182, 78019, 102320, 141520, 148364, 156038, 185455, 296728, 312076, 370910, 390095, 593456, 624152, 741820, 780190, 1248304, 1483640, 1560380, 2262551, 2967280, 3120760, 4525102, 6241520, 9050204, 11312755, 18100408, 22625510, 36200816, 45251020, 90502040, 181004080]

約数ペア:

[(1, 181004080), (2, 90502040), (4, 45251020), (5, 36200816), (8, 22625510), (10, 18100408), (16, 11312755), (20, 9050204), (29, 6241520), (40, 4525102), (58, 3120760), (61, 2967280), (80, 2262551), (116, 1560380), (122, 1483640), (145, 1248304), (232, 780190), (244, 741820), (290, 624152), (305, 593456), (464, 390095), (488, 370910), (580, 312076), (610, 296728), (976, 185455), (1160, 156038), (1220, 148364), (1279, 141520), (1769, 102320), (2320, 78019), (2440, 74182), (2558, 70760), (3538, 51160), (4880, 37091), (5116, 35380), (6395, 28304), (7076, 25580), (8845, 20464), (10232, 17690), (12790, 14152)]