654362880

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:317

約数の個数: 288

約数和(自身を含む): 2260500480

約数和(自身を除く): 1606137600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 31, 32, 40, 46, 48, 60, 62, 64, 69, 80, 92, 93, 96, 115, 120, 124, 128, 138, 155, 160, 184, 186, 192, 230, 239, 240, 248, 256, 276, 310, 320, 345, 368, 372, 384, 460, 465, 478, 480, 496, 552, 620, 640, 690, 713, 717, 736, 744, 768, 920, 930, 956, 960, 992, 1104, 1195, 1240, 1280, 1380, 1426, 1434, 1472, 1488, 1840, 1860, 1912, 1920, 1984, 2139, 2208, 2390, 2480, 2760, 2852, 2868, 2944, 2976, 3565, 3585, 3680, 3720, 3824, 3840, 3968, 4278, 4416, 4780, 4960, 5497, 5520, 5704, 5736, 5888, 5952, 7130, 7170, 7360, 7409, 7440, 7648, 7936, 8556, 8832, 9560, 9920, 10695, 10994, 11040, 11408, 11472, 11904, 14260, 14340, 14720, 14818, 14880, 15296, 16491, 17112, 17664, 19120, 19840, 21390, 21988, 22080, 22227, 22816, 22944, 23808, 27485, 28520, 28680, 29440, 29636, 29760, 30592, 32982, 34224, 37045, 38240, 39680, 42780, 43976, 44160, 44454, 45632, 45888, 54970, 57040, 57360, 59272, 59520, 61184, 65964, 68448, 74090, 76480, 82455, 85560, 87952, 88320, 88908, 91264, 91776, 109940, 111135, 114080, 114720, 118544, 119040, 131928, 136896, 148180, 152960, 164910, 170407, 171120, 175904, 177816, 182528, 183552, 219880, 222270, 228160, 229440, 237088, 263856, 273792, 296360, 305920, 329820, 340814, 342240, 351808, 355632, 439760, 444540, 456320, 458880, 474176, 511221, 527712, 547584, 592720, 659640, 681628, 684480, 703616, 711264, 852035, 879520, 889080, 912640, 917760, 948352, 1022442, 1055424, 1185440, 1319280, 1363256, 1368960, 1407232, 1422528, 1704070, 1759040, 1778160, 1896704, 2044884, 2110848, 2370880, 2556105, 2638560, 2726512, 2737920, 2845056, 3408140, 3518080, 3556320, 4089768, 4221696, 4741760, 5112210, 5277120, 5453024, 5690112, 6816280, 7036160, 7112640, 8179536, 9483520, 10224420, 10554240, 10906048, 13632560, 14225280, 16359072, 20448840, 21108480, 21812096, 27265120, 28450560, 32718144, 40897680, 43624192, 54530240, 65436288, 81795360, 109060480, 130872576, 163590720, 218120960, 327181440, 654362880]

約数ペア:

[(1, 654362880), (2, 327181440), (3, 218120960), (4, 163590720), (5, 130872576), (6, 109060480), (8, 81795360), (10, 65436288), (12, 54530240), (15, 43624192), (16, 40897680), (20, 32718144), (23, 28450560), (24, 27265120), (30, 21812096), (31, 21108480), (32, 20448840), (40, 16359072), (46, 14225280), (48, 13632560), (60, 10906048), (62, 10554240), (64, 10224420), (69, 9483520), (80, 8179536), (92, 7112640), (93, 7036160), (96, 6816280), (115, 5690112), (120, 5453024), (124, 5277120), (128, 5112210), (138, 4741760), (155, 4221696), (160, 4089768), (184, 3556320), (186, 3518080), (192, 3408140), (230, 2845056), (239, 2737920), (240, 2726512), (248, 2638560), (256, 2556105), (276, 2370880), (310, 2110848), (320, 2044884), (345, 1896704), (368, 1778160), (372, 1759040), (384, 1704070), (460, 1422528), (465, 1407232), (478, 1368960), (480, 1363256), (496, 1319280), (552, 1185440), (620, 1055424), (640, 1022442), (690, 948352), (713, 917760), (717, 912640), (736, 889080), (744, 879520), (768, 852035), (920, 711264), (930, 703616), (956, 684480), (960, 681628), (992, 659640), (1104, 592720), (1195, 547584), (1240, 527712), (1280, 511221), (1380, 474176), (1426, 458880), (1434, 456320), (1472, 444540), (1488, 439760), (1840, 355632), (1860, 351808), (1912, 342240), (1920, 340814), (1984, 329820), (2139, 305920), (2208, 296360), (2390, 273792), (2480, 263856), (2760, 237088), (2852, 229440), (2868, 228160), (2944, 222270), (2976, 219880), (3565, 183552), (3585, 182528), (3680, 177816), (3720, 175904), (3824, 171120), (3840, 170407), (3968, 164910), (4278, 152960), (4416, 148180), (4780, 136896), (4960, 131928), (5497, 119040), (5520, 118544), (5704, 114720), (5736, 114080), (5888, 111135), (5952, 109940), (7130, 91776), (7170, 91264), (7360, 88908), (7409, 88320), (7440, 87952), (7648, 85560), (7936, 82455), (8556, 76480), (8832, 74090), (9560, 68448), (9920, 65964), (10695, 61184), (10994, 59520), (11040, 59272), (11408, 57360), (11472, 57040), (11904, 54970), (14260, 45888), (14340, 45632), (14720, 44454), (14818, 44160), (14880, 43976), (15296, 42780), (16491, 39680), (17112, 38240), (17664, 37045), (19120, 34224), (19840, 32982), (21390, 30592), (21988, 29760), (22080, 29636), (22227, 29440), (22816, 28680), (22944, 28520), (23808, 27485)]