393406720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{83}}^1$

素因数の和:157

約数の個数: 216

約数和(自身を含む): 1139374656

約数和(自身を除く): 745967936

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 83, 92, 112, 115, 128, 140, 160, 161, 166, 184, 224, 230, 256, 280, 320, 322, 332, 368, 415, 448, 460, 529, 560, 581, 640, 644, 664, 736, 805, 830, 896, 920, 1058, 1120, 1162, 1280, 1288, 1328, 1472, 1610, 1660, 1792, 1840, 1909, 2116, 2240, 2324, 2576, 2645, 2656, 2905, 2944, 3220, 3320, 3680, 3703, 3818, 4232, 4480, 4648, 5152, 5290, 5312, 5810, 5888, 6440, 6640, 7360, 7406, 7636, 8464, 8960, 9296, 9545, 10304, 10580, 10624, 11620, 12880, 13280, 13363, 14720, 14812, 15272, 16928, 18515, 18592, 19090, 20608, 21160, 21248, 23240, 25760, 26560, 26726, 29440, 29624, 30544, 33856, 37030, 37184, 38180, 41216, 42320, 43907, 46480, 51520, 53120, 53452, 59248, 61088, 66815, 67712, 74060, 74368, 76360, 84640, 87814, 92960, 103040, 106240, 106904, 118496, 122176, 133630, 135424, 148120, 148736, 152720, 169280, 175628, 185920, 206080, 213808, 219535, 236992, 244352, 267260, 296240, 305440, 307349, 338560, 351256, 371840, 427616, 439070, 473984, 488704, 534520, 592480, 610880, 614698, 677120, 702512, 743680, 855232, 878140, 947968, 1069040, 1184960, 1221760, 1229396, 1405024, 1536745, 1710464, 1756280, 2138080, 2369920, 2443520, 2458792, 2810048, 3073490, 3420928, 3512560, 4276160, 4739840, 4917584, 5620096, 6146980, 7025120, 8552320, 9835168, 11240192, 12293960, 14050240, 17104640, 19670336, 24587920, 28100480, 39340672, 49175840, 56200960, 78681344, 98351680, 196703360, 393406720]

約数ペア:

[(1, 393406720), (2, 196703360), (4, 98351680), (5, 78681344), (7, 56200960), (8, 49175840), (10, 39340672), (14, 28100480), (16, 24587920), (20, 19670336), (23, 17104640), (28, 14050240), (32, 12293960), (35, 11240192), (40, 9835168), (46, 8552320), (56, 7025120), (64, 6146980), (70, 5620096), (80, 4917584), (83, 4739840), (92, 4276160), (112, 3512560), (115, 3420928), (128, 3073490), (140, 2810048), (160, 2458792), (161, 2443520), (166, 2369920), (184, 2138080), (224, 1756280), (230, 1710464), (256, 1536745), (280, 1405024), (320, 1229396), (322, 1221760), (332, 1184960), (368, 1069040), (415, 947968), (448, 878140), (460, 855232), (529, 743680), (560, 702512), (581, 677120), (640, 614698), (644, 610880), (664, 592480), (736, 534520), (805, 488704), (830, 473984), (896, 439070), (920, 427616), (1058, 371840), (1120, 351256), (1162, 338560), (1280, 307349), (1288, 305440), (1328, 296240), (1472, 267260), (1610, 244352), (1660, 236992), (1792, 219535), (1840, 213808), (1909, 206080), (2116, 185920), (2240, 175628), (2324, 169280), (2576, 152720), (2645, 148736), (2656, 148120), (2905, 135424), (2944, 133630), (3220, 122176), (3320, 118496), (3680, 106904), (3703, 106240), (3818, 103040), (4232, 92960), (4480, 87814), (4648, 84640), (5152, 76360), (5290, 74368), (5312, 74060), (5810, 67712), (5888, 66815), (6440, 61088), (6640, 59248), (7360, 53452), (7406, 53120), (7636, 51520), (8464, 46480), (8960, 43907), (9296, 42320), (9545, 41216), (10304, 38180), (10580, 37184), (10624, 37030), (11620, 33856), (12880, 30544), (13280, 29624), (13363, 29440), (14720, 26726), (14812, 26560), (15272, 25760), (16928, 23240), (18515, 21248), (18592, 21160), (19090, 20608)]