82890160

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2371}}^1$

素因数の和:2426

約数の個数: 80

約数和(自身を含む): 211772160

約数和(自身を除く): 128882000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 92, 95, 115, 152, 184, 190, 230, 304, 368, 380, 437, 460, 760, 874, 920, 1520, 1748, 1840, 2185, 2371, 3496, 4370, 4742, 6992, 8740, 9484, 11855, 17480, 18968, 23710, 34960, 37936, 45049, 47420, 54533, 90098, 94840, 109066, 180196, 189680, 218132, 225245, 272665, 360392, 436264, 450490, 545330, 720784, 872528, 900980, 1036127, 1090660, 1801960, 2072254, 2181320, 3603920, 4144508, 4362640, 5180635, 8289016, 10361270, 16578032, 20722540, 41445080, 82890160]

約数ペア:

[(1, 82890160), (2, 41445080), (4, 20722540), (5, 16578032), (8, 10361270), (10, 8289016), (16, 5180635), (19, 4362640), (20, 4144508), (23, 3603920), (38, 2181320), (40, 2072254), (46, 1801960), (76, 1090660), (80, 1036127), (92, 900980), (95, 872528), (115, 720784), (152, 545330), (184, 450490), (190, 436264), (230, 360392), (304, 272665), (368, 225245), (380, 218132), (437, 189680), (460, 180196), (760, 109066), (874, 94840), (920, 90098), (1520, 54533), (1748, 47420), (1840, 45049), (2185, 37936), (2371, 34960), (3496, 23710), (4370, 18968), (4742, 17480), (6992, 11855), (8740, 9484)]