1278415440

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{25733}}^1$

素因数の和:25778

約数の個数: 160

約数和(自身を含む): 4595063040

約数和(自身を除く): 3316647600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 90, 92, 108, 115, 120, 135, 138, 144, 180, 184, 207, 216, 230, 240, 270, 276, 345, 360, 368, 414, 432, 460, 540, 552, 621, 690, 720, 828, 920, 1035, 1080, 1104, 1242, 1380, 1656, 1840, 2070, 2160, 2484, 2760, 3105, 3312, 4140, 4968, 5520, 6210, 8280, 9936, 12420, 16560, 24840, 25733, 49680, 51466, 77199, 102932, 128665, 154398, 205864, 231597, 257330, 308796, 385995, 411728, 463194, 514660, 591859, 617592, 694791, 771990, 926388, 1029320, 1157985, 1183718, 1235184, 1389582, 1543980, 1775577, 1852776, 2058640, 2315970, 2367436, 2779164, 2959295, 3087960, 3473955, 3551154, 3705552, 4631940, 4734872, 5326731, 5558328, 5918590, 6175920, 6947910, 7102308, 8877885, 9263880, 9469744, 10653462, 11116656, 11837180, 13895820, 14204616, 15980193, 17755770, 18527760, 21306924, 23674360, 26633655, 27791640, 28409232, 31960386, 35511540, 42613848, 47348720, 53267310, 55583280, 63920772, 71023080, 79900965, 85227696, 106534620, 127841544, 142046160, 159801930, 213069240, 255683088, 319603860, 426138480, 639207720, 1278415440]

約数ペア:

[(1, 1278415440), (2, 639207720), (3, 426138480), (4, 319603860), (5, 255683088), (6, 213069240), (8, 159801930), (9, 142046160), (10, 127841544), (12, 106534620), (15, 85227696), (16, 79900965), (18, 71023080), (20, 63920772), (23, 55583280), (24, 53267310), (27, 47348720), (30, 42613848), (36, 35511540), (40, 31960386), (45, 28409232), (46, 27791640), (48, 26633655), (54, 23674360), (60, 21306924), (69, 18527760), (72, 17755770), (80, 15980193), (90, 14204616), (92, 13895820), (108, 11837180), (115, 11116656), (120, 10653462), (135, 9469744), (138, 9263880), (144, 8877885), (180, 7102308), (184, 6947910), (207, 6175920), (216, 5918590), (230, 5558328), (240, 5326731), (270, 4734872), (276, 4631940), (345, 3705552), (360, 3551154), (368, 3473955), (414, 3087960), (432, 2959295), (460, 2779164), (540, 2367436), (552, 2315970), (621, 2058640), (690, 1852776), (720, 1775577), (828, 1543980), (920, 1389582), (1035, 1235184), (1080, 1183718), (1104, 1157985), (1242, 1029320), (1380, 926388), (1656, 771990), (1840, 694791), (2070, 617592), (2160, 591859), (2484, 514660), (2760, 463194), (3105, 411728), (3312, 385995), (4140, 308796), (4968, 257330), (5520, 231597), (6210, 205864), (8280, 154398), (9936, 128665), (12420, 102932), (16560, 77199), (24840, 51466), (25733, 49680)]