256743200

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{127}}^1$

素因数の和:192

約数の個数: 216

約数和(自身を含む): 761951232

約数和(自身を除く): 505208032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 32, 35, 38, 40, 50, 56, 70, 76, 80, 95, 100, 112, 127, 133, 140, 152, 160, 175, 190, 200, 224, 254, 266, 280, 304, 350, 361, 380, 400, 475, 508, 532, 560, 608, 635, 665, 700, 722, 760, 800, 889, 950, 1016, 1064, 1120, 1270, 1330, 1400, 1444, 1520, 1778, 1805, 1900, 2032, 2128, 2413, 2527, 2540, 2660, 2800, 2888, 3040, 3175, 3325, 3556, 3610, 3800, 4064, 4256, 4445, 4826, 5054, 5080, 5320, 5600, 5776, 6350, 6650, 7112, 7220, 7600, 8890, 9025, 9652, 10108, 10160, 10640, 11552, 12065, 12635, 12700, 13300, 14224, 14440, 15200, 16891, 17780, 18050, 19304, 20216, 20320, 21280, 22225, 24130, 25270, 25400, 26600, 28448, 28880, 33782, 35560, 36100, 38608, 40432, 44450, 45847, 48260, 50540, 50800, 53200, 57760, 60325, 63175, 67564, 71120, 72200, 77216, 80864, 84455, 88900, 91694, 96520, 101080, 101600, 106400, 120650, 126350, 135128, 142240, 144400, 168910, 177800, 183388, 193040, 202160, 229235, 241300, 252700, 270256, 288800, 320929, 337820, 355600, 366776, 386080, 404320, 422275, 458470, 482600, 505400, 540512, 641858, 675640, 711200, 733552, 844550, 916940, 965200, 1010800, 1146175, 1283716, 1351280, 1467104, 1604645, 1689100, 1833880, 1930400, 2021600, 2292350, 2567432, 2702560, 3209290, 3378200, 3667760, 4584700, 5134864, 6418580, 6756400, 7335520, 8023225, 9169400, 10269728, 12837160, 13512800, 16046450, 18338800, 25674320, 32092900, 36677600, 51348640, 64185800, 128371600, 256743200]

約数ペア:

[(1, 256743200), (2, 128371600), (4, 64185800), (5, 51348640), (7, 36677600), (8, 32092900), (10, 25674320), (14, 18338800), (16, 16046450), (19, 13512800), (20, 12837160), (25, 10269728), (28, 9169400), (32, 8023225), (35, 7335520), (38, 6756400), (40, 6418580), (50, 5134864), (56, 4584700), (70, 3667760), (76, 3378200), (80, 3209290), (95, 2702560), (100, 2567432), (112, 2292350), (127, 2021600), (133, 1930400), (140, 1833880), (152, 1689100), (160, 1604645), (175, 1467104), (190, 1351280), (200, 1283716), (224, 1146175), (254, 1010800), (266, 965200), (280, 916940), (304, 844550), (350, 733552), (361, 711200), (380, 675640), (400, 641858), (475, 540512), (508, 505400), (532, 482600), (560, 458470), (608, 422275), (635, 404320), (665, 386080), (700, 366776), (722, 355600), (760, 337820), (800, 320929), (889, 288800), (950, 270256), (1016, 252700), (1064, 241300), (1120, 229235), (1270, 202160), (1330, 193040), (1400, 183388), (1444, 177800), (1520, 168910), (1778, 144400), (1805, 142240), (1900, 135128), (2032, 126350), (2128, 120650), (2413, 106400), (2527, 101600), (2540, 101080), (2660, 96520), (2800, 91694), (2888, 88900), (3040, 84455), (3175, 80864), (3325, 77216), (3556, 72200), (3610, 71120), (3800, 67564), (4064, 63175), (4256, 60325), (4445, 57760), (4826, 53200), (5054, 50800), (5080, 50540), (5320, 48260), (5600, 45847), (5776, 44450), (6350, 40432), (6650, 38608), (7112, 36100), (7220, 35560), (7600, 33782), (8890, 28880), (9025, 28448), (9652, 26600), (10108, 25400), (10160, 25270), (10640, 24130), (11552, 22225), (12065, 21280), (12635, 20320), (12700, 20216), (13300, 19304), (14224, 18050), (14440, 17780), (15200, 16891)]