278321120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:122

約数の個数: 384

約数和(自身を含む): 914457600

約数和(自身を除く): 636136480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 29, 32, 35, 38, 40, 41, 44, 55, 56, 58, 70, 76, 77, 80, 82, 88, 95, 110, 112, 116, 133, 140, 145, 152, 154, 160, 164, 176, 190, 203, 205, 209, 220, 224, 232, 266, 280, 287, 290, 304, 308, 319, 328, 352, 380, 385, 406, 410, 418, 440, 451, 464, 532, 551, 560, 574, 580, 608, 616, 638, 656, 665, 760, 770, 779, 812, 820, 836, 880, 902, 928, 1015, 1045, 1064, 1102, 1120, 1148, 1160, 1189, 1232, 1276, 1312, 1330, 1435, 1463, 1520, 1540, 1558, 1595, 1624, 1640, 1672, 1760, 1804, 2030, 2090, 2128, 2204, 2233, 2255, 2296, 2320, 2378, 2464, 2552, 2660, 2755, 2870, 2926, 3040, 3080, 3116, 3157, 3190, 3248, 3280, 3344, 3608, 3857, 3895, 4060, 4180, 4256, 4408, 4466, 4510, 4592, 4640, 4756, 5104, 5320, 5453, 5510, 5740, 5852, 5945, 6061, 6160, 6232, 6314, 6380, 6496, 6560, 6688, 7216, 7315, 7714, 7790, 8120, 8323, 8360, 8569, 8816, 8932, 9020, 9184, 9512, 10208, 10640, 10906, 11020, 11165, 11480, 11704, 11890, 12122, 12320, 12464, 12628, 12760, 13079, 14432, 14630, 15428, 15580, 15785, 16240, 16646, 16720, 17138, 17632, 17864, 18040, 19024, 19285, 21280, 21812, 22040, 22330, 22591, 22960, 23408, 23780, 24244, 24928, 25256, 25520, 26158, 27265, 29260, 30305, 30856, 31160, 31570, 32480, 33292, 33440, 34276, 35728, 36080, 38048, 38570, 41615, 42427, 42845, 43624, 44080, 44660, 45182, 45920, 46816, 47560, 48488, 50512, 51040, 52316, 54530, 58520, 59983, 60610, 61712, 62320, 63140, 65395, 66584, 68552, 71456, 72160, 77140, 83230, 84854, 85690, 87248, 88160, 89320, 90364, 91553, 95120, 96976, 101024, 104632, 109060, 112955, 117040, 119966, 121220, 123424, 124640, 126280, 130790, 133168, 137104, 154280, 158137, 166460, 169708, 171380, 174496, 178640, 180728, 183106, 190240, 193952, 209264, 212135, 218120, 225910, 234080, 239932, 242440, 248501, 252560, 261580, 266336, 274208, 299915, 308560, 316274, 332920, 339416, 342760, 357280, 361456, 366212, 418528, 424270, 436240, 451820, 457765, 479864, 484880, 497002, 505120, 523160, 599830, 617120, 632548, 665840, 678832, 685520, 722912, 732424, 790685, 848540, 872480, 903640, 915530, 959728, 969760, 994004, 1046320, 1199660, 1242505, 1265096, 1331680, 1357664, 1371040, 1464848, 1581370, 1697080, 1739507, 1807280, 1831060, 1919456, 1988008, 2092640, 2399320, 2485010, 2530192, 2929696, 3162740, 3394160, 3479014, 3614560, 3662120, 3976016, 4798640, 4970020, 5060384, 6325480, 6788320, 6958028, 7324240, 7952032, 8697535, 9597280, 9940040, 12650960, 13916056, 14648480, 17395070, 19880080, 25301920, 27832112, 34790140, 39760160, 55664224, 69580280, 139160560, 278321120]

約数ペア:

[(1, 278321120), (2, 139160560), (4, 69580280), (5, 55664224), (7, 39760160), (8, 34790140), (10, 27832112), (11, 25301920), (14, 19880080), (16, 17395070), (19, 14648480), (20, 13916056), (22, 12650960), (28, 9940040), (29, 9597280), (32, 8697535), (35, 7952032), (38, 7324240), (40, 6958028), (41, 6788320), (44, 6325480), (55, 5060384), (56, 4970020), (58, 4798640), (70, 3976016), (76, 3662120), (77, 3614560), (80, 3479014), (82, 3394160), (88, 3162740), (95, 2929696), (110, 2530192), (112, 2485010), (116, 2399320), (133, 2092640), (140, 1988008), (145, 1919456), (152, 1831060), (154, 1807280), (160, 1739507), (164, 1697080), (176, 1581370), (190, 1464848), (203, 1371040), (205, 1357664), (209, 1331680), (220, 1265096), (224, 1242505), (232, 1199660), (266, 1046320), (280, 994004), (287, 969760), (290, 959728), (304, 915530), (308, 903640), (319, 872480), (328, 848540), (352, 790685), (380, 732424), (385, 722912), (406, 685520), (410, 678832), (418, 665840), (440, 632548), (451, 617120), (464, 599830), (532, 523160), (551, 505120), (560, 497002), (574, 484880), (580, 479864), (608, 457765), (616, 451820), (638, 436240), (656, 424270), (665, 418528), (760, 366212), (770, 361456), (779, 357280), (812, 342760), (820, 339416), (836, 332920), (880, 316274), (902, 308560), (928, 299915), (1015, 274208), (1045, 266336), (1064, 261580), (1102, 252560), (1120, 248501), (1148, 242440), (1160, 239932), (1189, 234080), (1232, 225910), (1276, 218120), (1312, 212135), (1330, 209264), (1435, 193952), (1463, 190240), (1520, 183106), (1540, 180728), (1558, 178640), (1595, 174496), (1624, 171380), (1640, 169708), (1672, 166460), (1760, 158137), (1804, 154280), (2030, 137104), (2090, 133168), (2128, 130790), (2204, 126280), (2233, 124640), (2255, 123424), (2296, 121220), (2320, 119966), (2378, 117040), (2464, 112955), (2552, 109060), (2660, 104632), (2755, 101024), (2870, 96976), (2926, 95120), (3040, 91553), (3080, 90364), (3116, 89320), (3157, 88160), (3190, 87248), (3248, 85690), (3280, 84854), (3344, 83230), (3608, 77140), (3857, 72160), (3895, 71456), (4060, 68552), (4180, 66584), (4256, 65395), (4408, 63140), (4466, 62320), (4510, 61712), (4592, 60610), (4640, 59983), (4756, 58520), (5104, 54530), (5320, 52316), (5453, 51040), (5510, 50512), (5740, 48488), (5852, 47560), (5945, 46816), (6061, 45920), (6160, 45182), (6232, 44660), (6314, 44080), (6380, 43624), (6496, 42845), (6560, 42427), (6688, 41615), (7216, 38570), (7315, 38048), (7714, 36080), (7790, 35728), (8120, 34276), (8323, 33440), (8360, 33292), (8569, 32480), (8816, 31570), (8932, 31160), (9020, 30856), (9184, 30305), (9512, 29260), (10208, 27265), (10640, 26158), (10906, 25520), (11020, 25256), (11165, 24928), (11480, 24244), (11704, 23780), (11890, 23408), (12122, 22960), (12320, 22591), (12464, 22330), (12628, 22040), (12760, 21812), (13079, 21280), (14432, 19285), (14630, 19024), (15428, 18040), (15580, 17864), (15785, 17632), (16240, 17138), (16646, 16720)]