256177440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2437}}^1$

素因数の和:2531

約数の個数: 144

約数和(自身を含む): 886544568

約数和(自身を除く): 630367128

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 73, 80, 90, 96, 120, 144, 146, 160, 180, 219, 240, 288, 292, 360, 365, 438, 480, 584, 657, 720, 730, 876, 1095, 1168, 1314, 1440, 1460, 1752, 2190, 2336, 2437, 2628, 2920, 3285, 3504, 4380, 4874, 5256, 5840, 6570, 7008, 7311, 8760, 9748, 10512, 11680, 12185, 13140, 14622, 17520, 19496, 21024, 21933, 24370, 26280, 29244, 35040, 36555, 38992, 43866, 48740, 52560, 58488, 73110, 77984, 87732, 97480, 105120, 109665, 116976, 146220, 175464, 177901, 194960, 219330, 233952, 292440, 350928, 355802, 389920, 438660, 533703, 584880, 701856, 711604, 877320, 889505, 1067406, 1169760, 1423208, 1601109, 1754640, 1779010, 2134812, 2668515, 2846416, 3202218, 3509280, 3558020, 4269624, 5337030, 5692832, 6404436, 7116040, 8005545, 8539248, 10674060, 12808872, 14232080, 16011090, 17078496, 21348120, 25617744, 28464160, 32022180, 42696240, 51235488, 64044360, 85392480, 128088720, 256177440]

約数ペア:

[(1, 256177440), (2, 128088720), (3, 85392480), (4, 64044360), (5, 51235488), (6, 42696240), (8, 32022180), (9, 28464160), (10, 25617744), (12, 21348120), (15, 17078496), (16, 16011090), (18, 14232080), (20, 12808872), (24, 10674060), (30, 8539248), (32, 8005545), (36, 7116040), (40, 6404436), (45, 5692832), (48, 5337030), (60, 4269624), (72, 3558020), (73, 3509280), (80, 3202218), (90, 2846416), (96, 2668515), (120, 2134812), (144, 1779010), (146, 1754640), (160, 1601109), (180, 1423208), (219, 1169760), (240, 1067406), (288, 889505), (292, 877320), (360, 711604), (365, 701856), (438, 584880), (480, 533703), (584, 438660), (657, 389920), (720, 355802), (730, 350928), (876, 292440), (1095, 233952), (1168, 219330), (1314, 194960), (1440, 177901), (1460, 175464), (1752, 146220), (2190, 116976), (2336, 109665), (2437, 105120), (2628, 97480), (2920, 87732), (3285, 77984), (3504, 73110), (4380, 58488), (4874, 52560), (5256, 48740), (5840, 43866), (6570, 38992), (7008, 36555), (7311, 35040), (8760, 29244), (9748, 26280), (10512, 24370), (11680, 21933), (12185, 21024), (13140, 19496), (14622, 17520)]