1260871680

素因数分解:

$2^{13}\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:396

約数の個数: 224

約数和(自身を含む): 4177271808

約数和(自身を除く): 2916400128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 331, 372, 384, 465, 480, 496, 512, 620, 640, 662, 744, 768, 930, 960, 992, 993, 1024, 1240, 1280, 1324, 1488, 1536, 1655, 1860, 1920, 1984, 1986, 2048, 2480, 2560, 2648, 2976, 3072, 3310, 3720, 3840, 3968, 3972, 4096, 4960, 4965, 5120, 5296, 5952, 6144, 6620, 7440, 7680, 7936, 7944, 8192, 9920, 9930, 10240, 10261, 10592, 11904, 12288, 13240, 14880, 15360, 15872, 15888, 19840, 19860, 20480, 20522, 21184, 23808, 24576, 26480, 29760, 30720, 30783, 31744, 31776, 39680, 39720, 40960, 41044, 42368, 47616, 51305, 52960, 59520, 61440, 61566, 63488, 63552, 79360, 79440, 82088, 84736, 95232, 102610, 105920, 119040, 122880, 123132, 126976, 127104, 153915, 158720, 158880, 164176, 169472, 190464, 205220, 211840, 238080, 246264, 253952, 254208, 307830, 317440, 317760, 328352, 338944, 380928, 410440, 423680, 476160, 492528, 508416, 615660, 634880, 635520, 656704, 677888, 761856, 820880, 847360, 952320, 985056, 1016832, 1231320, 1269760, 1271040, 1313408, 1355776, 1641760, 1694720, 1904640, 1970112, 2033664, 2462640, 2542080, 2626816, 2711552, 3283520, 3389440, 3809280, 3940224, 4067328, 4925280, 5084160, 5253632, 6567040, 6778880, 7880448, 8134656, 9850560, 10168320, 10507264, 13134080, 13557760, 15760896, 19701120, 20336640, 21014528, 26268160, 31521792, 39402240, 40673280, 42029056, 52536320, 63043584, 78804480, 84058112, 105072640, 126087168, 157608960, 210145280, 252174336, 315217920, 420290560, 630435840, 1260871680]

約数ペア:

[(1, 1260871680), (2, 630435840), (3, 420290560), (4, 315217920), (5, 252174336), (6, 210145280), (8, 157608960), (10, 126087168), (12, 105072640), (15, 84058112), (16, 78804480), (20, 63043584), (24, 52536320), (30, 42029056), (31, 40673280), (32, 39402240), (40, 31521792), (48, 26268160), (60, 21014528), (62, 20336640), (64, 19701120), (80, 15760896), (93, 13557760), (96, 13134080), (120, 10507264), (124, 10168320), (128, 9850560), (155, 8134656), (160, 7880448), (186, 6778880), (192, 6567040), (240, 5253632), (248, 5084160), (256, 4925280), (310, 4067328), (320, 3940224), (331, 3809280), (372, 3389440), (384, 3283520), (465, 2711552), (480, 2626816), (496, 2542080), (512, 2462640), (620, 2033664), (640, 1970112), (662, 1904640), (744, 1694720), (768, 1641760), (930, 1355776), (960, 1313408), (992, 1271040), (993, 1269760), (1024, 1231320), (1240, 1016832), (1280, 985056), (1324, 952320), (1488, 847360), (1536, 820880), (1655, 761856), (1860, 677888), (1920, 656704), (1984, 635520), (1986, 634880), (2048, 615660), (2480, 508416), (2560, 492528), (2648, 476160), (2976, 423680), (3072, 410440), (3310, 380928), (3720, 338944), (3840, 328352), (3968, 317760), (3972, 317440), (4096, 307830), (4960, 254208), (4965, 253952), (5120, 246264), (5296, 238080), (5952, 211840), (6144, 205220), (6620, 190464), (7440, 169472), (7680, 164176), (7936, 158880), (7944, 158720), (8192, 153915), (9920, 127104), (9930, 126976), (10240, 123132), (10261, 122880), (10592, 119040), (11904, 105920), (12288, 102610), (13240, 95232), (14880, 84736), (15360, 82088), (15872, 79440), (15888, 79360), (19840, 63552), (19860, 63488), (20480, 61566), (20522, 61440), (21184, 59520), (23808, 52960), (24576, 51305), (26480, 47616), (29760, 42368), (30720, 41044), (30783, 40960), (31744, 39720), (31776, 39680)]