1225789440

素因数分解:

$2^{12}\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:384

約数の個数: 208

約数和(自身を含む): 3991441536

約数和(自身を除く): 2765652096

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 71, 80, 96, 120, 128, 142, 160, 192, 213, 240, 256, 281, 284, 320, 355, 384, 426, 480, 512, 562, 568, 640, 710, 768, 843, 852, 960, 1024, 1065, 1124, 1136, 1280, 1405, 1420, 1536, 1686, 1704, 1920, 2048, 2130, 2248, 2272, 2560, 2810, 2840, 3072, 3372, 3408, 3840, 4096, 4215, 4260, 4496, 4544, 5120, 5620, 5680, 6144, 6744, 6816, 7680, 8430, 8520, 8992, 9088, 10240, 11240, 11360, 12288, 13488, 13632, 15360, 16860, 17040, 17984, 18176, 19951, 20480, 22480, 22720, 26976, 27264, 30720, 33720, 34080, 35968, 36352, 39902, 44960, 45440, 53952, 54528, 59853, 61440, 67440, 68160, 71936, 72704, 79804, 89920, 90880, 99755, 107904, 109056, 119706, 134880, 136320, 143872, 145408, 159608, 179840, 181760, 199510, 215808, 218112, 239412, 269760, 272640, 287744, 290816, 299265, 319216, 359680, 363520, 399020, 431616, 436224, 478824, 539520, 545280, 575488, 598530, 638432, 719360, 727040, 798040, 863232, 872448, 957648, 1079040, 1090560, 1150976, 1197060, 1276864, 1438720, 1454080, 1596080, 1726464, 1915296, 2158080, 2181120, 2394120, 2553728, 2877440, 3192160, 3452928, 3830592, 4316160, 4362240, 4788240, 5107456, 5754880, 6384320, 7661184, 8632320, 9576480, 10214912, 12768640, 15322368, 17264640, 19152960, 20429824, 25537280, 30644736, 38305920, 40859648, 51074560, 61289472, 76611840, 81719296, 102149120, 122578944, 153223680, 204298240, 245157888, 306447360, 408596480, 612894720, 1225789440]

約数ペア:

[(1, 1225789440), (2, 612894720), (3, 408596480), (4, 306447360), (5, 245157888), (6, 204298240), (8, 153223680), (10, 122578944), (12, 102149120), (15, 81719296), (16, 76611840), (20, 61289472), (24, 51074560), (30, 40859648), (32, 38305920), (40, 30644736), (48, 25537280), (60, 20429824), (64, 19152960), (71, 17264640), (80, 15322368), (96, 12768640), (120, 10214912), (128, 9576480), (142, 8632320), (160, 7661184), (192, 6384320), (213, 5754880), (240, 5107456), (256, 4788240), (281, 4362240), (284, 4316160), (320, 3830592), (355, 3452928), (384, 3192160), (426, 2877440), (480, 2553728), (512, 2394120), (562, 2181120), (568, 2158080), (640, 1915296), (710, 1726464), (768, 1596080), (843, 1454080), (852, 1438720), (960, 1276864), (1024, 1197060), (1065, 1150976), (1124, 1090560), (1136, 1079040), (1280, 957648), (1405, 872448), (1420, 863232), (1536, 798040), (1686, 727040), (1704, 719360), (1920, 638432), (2048, 598530), (2130, 575488), (2248, 545280), (2272, 539520), (2560, 478824), (2810, 436224), (2840, 431616), (3072, 399020), (3372, 363520), (3408, 359680), (3840, 319216), (4096, 299265), (4215, 290816), (4260, 287744), (4496, 272640), (4544, 269760), (5120, 239412), (5620, 218112), (5680, 215808), (6144, 199510), (6744, 181760), (6816, 179840), (7680, 159608), (8430, 145408), (8520, 143872), (8992, 136320), (9088, 134880), (10240, 119706), (11240, 109056), (11360, 107904), (12288, 99755), (13488, 90880), (13632, 89920), (15360, 79804), (16860, 72704), (17040, 71936), (17984, 68160), (18176, 67440), (19951, 61440), (20480, 59853), (22480, 54528), (22720, 53952), (26976, 45440), (27264, 44960), (30720, 39902), (33720, 36352), (34080, 35968)]