678529280

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{337}}^1$

素因数の和:393

約数の個数: 216

約数和(自身を含む): 1929605496

約数和(自身を除く): 1251076216

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 121, 128, 130, 143, 160, 176, 208, 220, 242, 256, 260, 286, 320, 337, 352, 416, 440, 484, 520, 572, 605, 640, 674, 704, 715, 832, 880, 968, 1040, 1144, 1210, 1280, 1348, 1408, 1430, 1573, 1664, 1685, 1760, 1936, 2080, 2288, 2420, 2696, 2816, 2860, 3146, 3328, 3370, 3520, 3707, 3872, 4160, 4381, 4576, 4840, 5392, 5720, 6292, 6740, 7040, 7414, 7744, 7865, 8320, 8762, 9152, 9680, 10784, 11440, 12584, 13480, 14080, 14828, 15488, 15730, 16640, 17524, 18304, 18535, 19360, 21568, 21905, 22880, 25168, 26960, 29656, 30976, 31460, 35048, 36608, 37070, 38720, 40777, 43136, 43810, 45760, 48191, 50336, 53920, 59312, 62920, 70096, 74140, 77440, 81554, 86272, 87620, 91520, 96382, 100672, 107840, 118624, 125840, 140192, 148280, 154880, 163108, 175240, 183040, 192764, 201344, 203885, 215680, 237248, 240955, 251680, 280384, 296560, 326216, 350480, 385528, 402688, 407770, 431360, 474496, 481910, 503360, 530101, 560768, 593120, 652432, 700960, 771056, 815540, 948992, 963820, 1006720, 1060202, 1121536, 1186240, 1304864, 1401920, 1542112, 1631080, 1927640, 2013440, 2120404, 2372480, 2609728, 2650505, 2803840, 3084224, 3262160, 3855280, 4240808, 4744960, 5219456, 5301010, 5607680, 6168448, 6524320, 7710560, 8481616, 10438912, 10602020, 12336896, 13048640, 15421120, 16963232, 21204040, 26097280, 30842240, 33926464, 42408080, 52194560, 61684480, 67852928, 84816160, 135705856, 169632320, 339264640, 678529280]

約数ペア:

[(1, 678529280), (2, 339264640), (4, 169632320), (5, 135705856), (8, 84816160), (10, 67852928), (11, 61684480), (13, 52194560), (16, 42408080), (20, 33926464), (22, 30842240), (26, 26097280), (32, 21204040), (40, 16963232), (44, 15421120), (52, 13048640), (55, 12336896), (64, 10602020), (65, 10438912), (80, 8481616), (88, 7710560), (104, 6524320), (110, 6168448), (121, 5607680), (128, 5301010), (130, 5219456), (143, 4744960), (160, 4240808), (176, 3855280), (208, 3262160), (220, 3084224), (242, 2803840), (256, 2650505), (260, 2609728), (286, 2372480), (320, 2120404), (337, 2013440), (352, 1927640), (416, 1631080), (440, 1542112), (484, 1401920), (520, 1304864), (572, 1186240), (605, 1121536), (640, 1060202), (674, 1006720), (704, 963820), (715, 948992), (832, 815540), (880, 771056), (968, 700960), (1040, 652432), (1144, 593120), (1210, 560768), (1280, 530101), (1348, 503360), (1408, 481910), (1430, 474496), (1573, 431360), (1664, 407770), (1685, 402688), (1760, 385528), (1936, 350480), (2080, 326216), (2288, 296560), (2420, 280384), (2696, 251680), (2816, 240955), (2860, 237248), (3146, 215680), (3328, 203885), (3370, 201344), (3520, 192764), (3707, 183040), (3872, 175240), (4160, 163108), (4381, 154880), (4576, 148280), (4840, 140192), (5392, 125840), (5720, 118624), (6292, 107840), (6740, 100672), (7040, 96382), (7414, 91520), (7744, 87620), (7865, 86272), (8320, 81554), (8762, 77440), (9152, 74140), (9680, 70096), (10784, 62920), (11440, 59312), (12584, 53920), (13480, 50336), (14080, 48191), (14828, 45760), (15488, 43810), (15730, 43136), (16640, 40777), (17524, 38720), (18304, 37070), (18535, 36608), (19360, 35048), (21568, 31460), (21905, 30976), (22880, 29656), (25168, 26960)]