280786560

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:263

約数の個数: 256

約数和(自身を含む): 969408000

約数和(自身を除く): 688621440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 43, 48, 57, 60, 64, 76, 80, 86, 95, 96, 114, 120, 128, 129, 152, 160, 172, 179, 190, 192, 215, 228, 240, 258, 285, 304, 320, 344, 358, 380, 384, 430, 456, 480, 516, 537, 570, 608, 640, 645, 688, 716, 760, 817, 860, 895, 912, 960, 1032, 1074, 1140, 1216, 1290, 1376, 1432, 1520, 1634, 1720, 1790, 1824, 1920, 2064, 2148, 2280, 2432, 2451, 2580, 2685, 2752, 2864, 3040, 3268, 3401, 3440, 3580, 3648, 4085, 4128, 4296, 4560, 4902, 5160, 5370, 5504, 5728, 6080, 6536, 6802, 6880, 7160, 7296, 7697, 8170, 8256, 8592, 9120, 9804, 10203, 10320, 10740, 11456, 12160, 12255, 13072, 13604, 13760, 14320, 15394, 16340, 16512, 17005, 17184, 18240, 19608, 20406, 20640, 21480, 22912, 23091, 24510, 26144, 27208, 27520, 28640, 30788, 32680, 34010, 34368, 36480, 38485, 39216, 40812, 41280, 42960, 46182, 49020, 51015, 52288, 54416, 57280, 61576, 65360, 68020, 68736, 76970, 78432, 81624, 82560, 85920, 92364, 98040, 102030, 104576, 108832, 114560, 115455, 123152, 130720, 136040, 146243, 153940, 156864, 163248, 171840, 184728, 196080, 204060, 217664, 230910, 246304, 261440, 272080, 292486, 307880, 313728, 326496, 343680, 369456, 392160, 408120, 435328, 438729, 461820, 492608, 522880, 544160, 584972, 615760, 652992, 731215, 738912, 784320, 816240, 877458, 923640, 985216, 1088320, 1169944, 1231520, 1305984, 1462430, 1477824, 1568640, 1632480, 1754916, 1847280, 2176640, 2193645, 2339888, 2463040, 2924860, 2955648, 3264960, 3509832, 3694560, 4387290, 4679776, 4926080, 5849720, 6529920, 7019664, 7389120, 8774580, 9359552, 11699440, 14039328, 14778240, 17549160, 18719104, 23398880, 28078656, 35098320, 46797760, 56157312, 70196640, 93595520, 140393280, 280786560]

約数ペア:

[(1, 280786560), (2, 140393280), (3, 93595520), (4, 70196640), (5, 56157312), (6, 46797760), (8, 35098320), (10, 28078656), (12, 23398880), (15, 18719104), (16, 17549160), (19, 14778240), (20, 14039328), (24, 11699440), (30, 9359552), (32, 8774580), (38, 7389120), (40, 7019664), (43, 6529920), (48, 5849720), (57, 4926080), (60, 4679776), (64, 4387290), (76, 3694560), (80, 3509832), (86, 3264960), (95, 2955648), (96, 2924860), (114, 2463040), (120, 2339888), (128, 2193645), (129, 2176640), (152, 1847280), (160, 1754916), (172, 1632480), (179, 1568640), (190, 1477824), (192, 1462430), (215, 1305984), (228, 1231520), (240, 1169944), (258, 1088320), (285, 985216), (304, 923640), (320, 877458), (344, 816240), (358, 784320), (380, 738912), (384, 731215), (430, 652992), (456, 615760), (480, 584972), (516, 544160), (537, 522880), (570, 492608), (608, 461820), (640, 438729), (645, 435328), (688, 408120), (716, 392160), (760, 369456), (817, 343680), (860, 326496), (895, 313728), (912, 307880), (960, 292486), (1032, 272080), (1074, 261440), (1140, 246304), (1216, 230910), (1290, 217664), (1376, 204060), (1432, 196080), (1520, 184728), (1634, 171840), (1720, 163248), (1790, 156864), (1824, 153940), (1920, 146243), (2064, 136040), (2148, 130720), (2280, 123152), (2432, 115455), (2451, 114560), (2580, 108832), (2685, 104576), (2752, 102030), (2864, 98040), (3040, 92364), (3268, 85920), (3401, 82560), (3440, 81624), (3580, 78432), (3648, 76970), (4085, 68736), (4128, 68020), (4296, 65360), (4560, 61576), (4902, 57280), (5160, 54416), (5370, 52288), (5504, 51015), (5728, 49020), (6080, 46182), (6536, 42960), (6802, 41280), (6880, 40812), (7160, 39216), (7296, 38485), (7697, 36480), (8170, 34368), (8256, 34010), (8592, 32680), (9120, 30788), (9804, 28640), (10203, 27520), (10320, 27208), (10740, 26144), (11456, 24510), (12160, 23091), (12255, 22912), (13072, 21480), (13604, 20640), (13760, 20406), (14320, 19608), (15394, 18240), (16340, 17184), (16512, 17005)]