1998382080

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{463}}^1$

素因数の和:772

約数の個数: 176

約数和(自身を含む): 6428300544

約数和(自身を除く): 4429918464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 281, 320, 384, 463, 480, 512, 562, 640, 768, 843, 926, 960, 1024, 1124, 1280, 1389, 1405, 1536, 1686, 1852, 1920, 2248, 2315, 2560, 2778, 2810, 3072, 3372, 3704, 3840, 4215, 4496, 4630, 5120, 5556, 5620, 6744, 6945, 7408, 7680, 8430, 8992, 9260, 11112, 11240, 13488, 13890, 14816, 15360, 16860, 17984, 18520, 22224, 22480, 26976, 27780, 29632, 33720, 35968, 37040, 44448, 44960, 53952, 55560, 59264, 67440, 71936, 74080, 88896, 89920, 107904, 111120, 118528, 130103, 134880, 143872, 148160, 177792, 179840, 215808, 222240, 237056, 260206, 269760, 287744, 296320, 355584, 359680, 390309, 431616, 444480, 474112, 520412, 539520, 592640, 650515, 711168, 719360, 780618, 863232, 888960, 1040824, 1079040, 1185280, 1301030, 1422336, 1438720, 1561236, 1777920, 1951545, 2081648, 2158080, 2370560, 2602060, 3122472, 3555840, 3903090, 4163296, 4316160, 5204120, 6244944, 7111680, 7806180, 8326592, 10408240, 12489888, 15612360, 16653184, 20816480, 24979776, 31224720, 33306368, 41632960, 49959552, 62449440, 66612736, 83265920, 99919104, 124898880, 133225472, 166531840, 199838208, 249797760, 333063680, 399676416, 499595520, 666127360, 999191040, 1998382080]

約数ペア:

[(1, 1998382080), (2, 999191040), (3, 666127360), (4, 499595520), (5, 399676416), (6, 333063680), (8, 249797760), (10, 199838208), (12, 166531840), (15, 133225472), (16, 124898880), (20, 99919104), (24, 83265920), (30, 66612736), (32, 62449440), (40, 49959552), (48, 41632960), (60, 33306368), (64, 31224720), (80, 24979776), (96, 20816480), (120, 16653184), (128, 15612360), (160, 12489888), (192, 10408240), (240, 8326592), (256, 7806180), (281, 7111680), (320, 6244944), (384, 5204120), (463, 4316160), (480, 4163296), (512, 3903090), (562, 3555840), (640, 3122472), (768, 2602060), (843, 2370560), (926, 2158080), (960, 2081648), (1024, 1951545), (1124, 1777920), (1280, 1561236), (1389, 1438720), (1405, 1422336), (1536, 1301030), (1686, 1185280), (1852, 1079040), (1920, 1040824), (2248, 888960), (2315, 863232), (2560, 780618), (2778, 719360), (2810, 711168), (3072, 650515), (3372, 592640), (3704, 539520), (3840, 520412), (4215, 474112), (4496, 444480), (4630, 431616), (5120, 390309), (5556, 359680), (5620, 355584), (6744, 296320), (6945, 287744), (7408, 269760), (7680, 260206), (8430, 237056), (8992, 222240), (9260, 215808), (11112, 179840), (11240, 177792), (13488, 148160), (13890, 143872), (14816, 134880), (15360, 130103), (16860, 118528), (17984, 111120), (18520, 107904), (22224, 89920), (22480, 88896), (26976, 74080), (27780, 71936), (29632, 67440), (33720, 59264), (35968, 55560), (37040, 53952), (44448, 44960)]