724971520

素因数分解:

$2^{12}\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:438

約数の個数: 208

約数和(自身を含む): 2146697280

約数和(自身を除く): 1421725760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 256, 260, 280, 320, 364, 389, 416, 448, 455, 512, 520, 560, 640, 728, 778, 832, 896, 910, 1024, 1040, 1120, 1280, 1456, 1556, 1664, 1792, 1820, 1945, 2048, 2080, 2240, 2560, 2723, 2912, 3112, 3328, 3584, 3640, 3890, 4096, 4160, 4480, 5057, 5120, 5446, 5824, 6224, 6656, 7168, 7280, 7780, 8320, 8960, 10114, 10240, 10892, 11648, 12448, 13312, 13615, 14336, 14560, 15560, 16640, 17920, 20228, 20480, 21784, 23296, 24896, 25285, 26624, 27230, 28672, 29120, 31120, 33280, 35399, 35840, 40456, 43568, 46592, 49792, 50570, 53248, 54460, 58240, 62240, 66560, 70798, 71680, 80912, 87136, 93184, 99584, 101140, 108920, 116480, 124480, 133120, 141596, 143360, 161824, 174272, 176995, 186368, 199168, 202280, 217840, 232960, 248960, 266240, 283192, 323648, 348544, 353990, 372736, 398336, 404560, 435680, 465920, 497920, 566384, 647296, 697088, 707980, 796672, 809120, 871360, 931840, 995840, 1132768, 1294592, 1394176, 1415960, 1593344, 1618240, 1742720, 1863680, 1991680, 2265536, 2589184, 2788352, 2831920, 3236480, 3485440, 3983360, 4531072, 5178368, 5576704, 5663840, 6472960, 6970880, 7966720, 9062144, 10356736, 11153408, 11327680, 12945920, 13941760, 18124288, 20713472, 22655360, 25891840, 27883520, 36248576, 45310720, 51783680, 55767040, 72497152, 90621440, 103567360, 144994304, 181242880, 362485760, 724971520]

約数ペア:

[(1, 724971520), (2, 362485760), (4, 181242880), (5, 144994304), (7, 103567360), (8, 90621440), (10, 72497152), (13, 55767040), (14, 51783680), (16, 45310720), (20, 36248576), (26, 27883520), (28, 25891840), (32, 22655360), (35, 20713472), (40, 18124288), (52, 13941760), (56, 12945920), (64, 11327680), (65, 11153408), (70, 10356736), (80, 9062144), (91, 7966720), (104, 6970880), (112, 6472960), (128, 5663840), (130, 5576704), (140, 5178368), (160, 4531072), (182, 3983360), (208, 3485440), (224, 3236480), (256, 2831920), (260, 2788352), (280, 2589184), (320, 2265536), (364, 1991680), (389, 1863680), (416, 1742720), (448, 1618240), (455, 1593344), (512, 1415960), (520, 1394176), (560, 1294592), (640, 1132768), (728, 995840), (778, 931840), (832, 871360), (896, 809120), (910, 796672), (1024, 707980), (1040, 697088), (1120, 647296), (1280, 566384), (1456, 497920), (1556, 465920), (1664, 435680), (1792, 404560), (1820, 398336), (1945, 372736), (2048, 353990), (2080, 348544), (2240, 323648), (2560, 283192), (2723, 266240), (2912, 248960), (3112, 232960), (3328, 217840), (3584, 202280), (3640, 199168), (3890, 186368), (4096, 176995), (4160, 174272), (4480, 161824), (5057, 143360), (5120, 141596), (5446, 133120), (5824, 124480), (6224, 116480), (6656, 108920), (7168, 101140), (7280, 99584), (7780, 93184), (8320, 87136), (8960, 80912), (10114, 71680), (10240, 70798), (10892, 66560), (11648, 62240), (12448, 58240), (13312, 54460), (13615, 53248), (14336, 50570), (14560, 49792), (15560, 46592), (16640, 43568), (17920, 40456), (20228, 35840), (20480, 35399), (21784, 33280), (23296, 31120), (24896, 29120), (25285, 28672), (26624, 27230)]