81274320

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{197}}^1$

素因数の和:410

約数の個数: 160

約数和(自身を含む): 282839040

約数和(自身を除く): 201564720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 191, 197, 216, 240, 270, 360, 382, 394, 432, 540, 573, 591, 720, 764, 788, 955, 985, 1080, 1146, 1182, 1528, 1576, 1719, 1773, 1910, 1970, 2160, 2292, 2364, 2865, 2955, 3056, 3152, 3438, 3546, 3820, 3940, 4584, 4728, 5157, 5319, 5730, 5910, 6876, 7092, 7640, 7880, 8595, 8865, 9168, 9456, 10314, 10638, 11460, 11820, 13752, 14184, 15280, 15760, 17190, 17730, 20628, 21276, 22920, 23640, 25785, 26595, 27504, 28368, 34380, 35460, 37627, 41256, 42552, 45840, 47280, 51570, 53190, 68760, 70920, 75254, 82512, 85104, 103140, 106380, 112881, 137520, 141840, 150508, 188135, 206280, 212760, 225762, 301016, 338643, 376270, 412560, 425520, 451524, 564405, 602032, 677286, 752540, 903048, 1015929, 1128810, 1354572, 1505080, 1693215, 1806096, 2031858, 2257620, 2709144, 3010160, 3386430, 4063716, 4515240, 5079645, 5418288, 6772860, 8127432, 9030480, 10159290, 13545720, 16254864, 20318580, 27091440, 40637160, 81274320]

約数ペア:

[(1, 81274320), (2, 40637160), (3, 27091440), (4, 20318580), (5, 16254864), (6, 13545720), (8, 10159290), (9, 9030480), (10, 8127432), (12, 6772860), (15, 5418288), (16, 5079645), (18, 4515240), (20, 4063716), (24, 3386430), (27, 3010160), (30, 2709144), (36, 2257620), (40, 2031858), (45, 1806096), (48, 1693215), (54, 1505080), (60, 1354572), (72, 1128810), (80, 1015929), (90, 903048), (108, 752540), (120, 677286), (135, 602032), (144, 564405), (180, 451524), (191, 425520), (197, 412560), (216, 376270), (240, 338643), (270, 301016), (360, 225762), (382, 212760), (394, 206280), (432, 188135), (540, 150508), (573, 141840), (591, 137520), (720, 112881), (764, 106380), (788, 103140), (955, 85104), (985, 82512), (1080, 75254), (1146, 70920), (1182, 68760), (1528, 53190), (1576, 51570), (1719, 47280), (1773, 45840), (1910, 42552), (1970, 41256), (2160, 37627), (2292, 35460), (2364, 34380), (2865, 28368), (2955, 27504), (3056, 26595), (3152, 25785), (3438, 23640), (3546, 22920), (3820, 21276), (3940, 20628), (4584, 17730), (4728, 17190), (5157, 15760), (5319, 15280), (5730, 14184), (5910, 13752), (6876, 11820), (7092, 11460), (7640, 10638), (7880, 10314), (8595, 9456), (8865, 9168)]