289557120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:207

約数の個数: 256

約数和(自身を含む): 987033600

約数和(自身を除く): 697476480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 79, 80, 83, 92, 96, 115, 120, 128, 138, 158, 160, 166, 184, 192, 230, 237, 240, 249, 276, 316, 320, 332, 345, 368, 384, 395, 415, 460, 474, 480, 498, 552, 632, 640, 664, 690, 736, 790, 830, 920, 948, 960, 996, 1104, 1185, 1245, 1264, 1328, 1380, 1472, 1580, 1660, 1817, 1840, 1896, 1909, 1920, 1992, 2208, 2370, 2490, 2528, 2656, 2760, 2944, 3160, 3320, 3634, 3680, 3792, 3818, 3984, 4416, 4740, 4980, 5056, 5312, 5451, 5520, 5727, 6320, 6557, 6640, 7268, 7360, 7584, 7636, 7968, 8832, 9085, 9480, 9545, 9960, 10112, 10624, 10902, 11040, 11454, 12640, 13114, 13280, 14536, 14720, 15168, 15272, 15936, 18170, 18960, 19090, 19671, 19920, 21804, 22080, 22908, 25280, 26228, 26560, 27255, 28635, 29072, 30336, 30544, 31872, 32785, 36340, 37920, 38180, 39342, 39840, 43608, 44160, 45816, 50560, 52456, 53120, 54510, 57270, 58144, 61088, 65570, 72680, 75840, 76360, 78684, 79680, 87216, 91632, 98355, 104912, 109020, 114540, 116288, 122176, 131140, 145360, 150811, 151680, 152720, 157368, 159360, 174432, 183264, 196710, 209824, 218040, 229080, 232576, 244352, 262280, 290720, 301622, 305440, 314736, 348864, 366528, 393420, 419648, 436080, 452433, 458160, 524560, 581440, 603244, 610880, 629472, 697728, 733056, 754055, 786840, 839296, 872160, 904866, 916320, 1049120, 1162880, 1206488, 1221760, 1258944, 1508110, 1573680, 1744320, 1809732, 1832640, 2098240, 2262165, 2412976, 2517888, 3016220, 3147360, 3488640, 3619464, 3665280, 4196480, 4524330, 4825952, 6032440, 6294720, 7238928, 9048660, 9651904, 12064880, 12589440, 14477856, 18097320, 19303808, 24129760, 28955712, 36194640, 48259520, 57911424, 72389280, 96519040, 144778560, 289557120]

約数ペア:

[(1, 289557120), (2, 144778560), (3, 96519040), (4, 72389280), (5, 57911424), (6, 48259520), (8, 36194640), (10, 28955712), (12, 24129760), (15, 19303808), (16, 18097320), (20, 14477856), (23, 12589440), (24, 12064880), (30, 9651904), (32, 9048660), (40, 7238928), (46, 6294720), (48, 6032440), (60, 4825952), (64, 4524330), (69, 4196480), (79, 3665280), (80, 3619464), (83, 3488640), (92, 3147360), (96, 3016220), (115, 2517888), (120, 2412976), (128, 2262165), (138, 2098240), (158, 1832640), (160, 1809732), (166, 1744320), (184, 1573680), (192, 1508110), (230, 1258944), (237, 1221760), (240, 1206488), (249, 1162880), (276, 1049120), (316, 916320), (320, 904866), (332, 872160), (345, 839296), (368, 786840), (384, 754055), (395, 733056), (415, 697728), (460, 629472), (474, 610880), (480, 603244), (498, 581440), (552, 524560), (632, 458160), (640, 452433), (664, 436080), (690, 419648), (736, 393420), (790, 366528), (830, 348864), (920, 314736), (948, 305440), (960, 301622), (996, 290720), (1104, 262280), (1185, 244352), (1245, 232576), (1264, 229080), (1328, 218040), (1380, 209824), (1472, 196710), (1580, 183264), (1660, 174432), (1817, 159360), (1840, 157368), (1896, 152720), (1909, 151680), (1920, 150811), (1992, 145360), (2208, 131140), (2370, 122176), (2490, 116288), (2528, 114540), (2656, 109020), (2760, 104912), (2944, 98355), (3160, 91632), (3320, 87216), (3634, 79680), (3680, 78684), (3792, 76360), (3818, 75840), (3984, 72680), (4416, 65570), (4740, 61088), (4980, 58144), (5056, 57270), (5312, 54510), (5451, 53120), (5520, 52456), (5727, 50560), (6320, 45816), (6557, 44160), (6640, 43608), (7268, 39840), (7360, 39342), (7584, 38180), (7636, 37920), (7968, 36340), (8832, 32785), (9085, 31872), (9480, 30544), (9545, 30336), (9960, 29072), (10112, 28635), (10624, 27255), (10902, 26560), (11040, 26228), (11454, 25280), (12640, 22908), (13114, 22080), (13280, 21804), (14536, 19920), (14720, 19671), (15168, 19090), (15272, 18960), (15936, 18170)]