399967680

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1123}}^1$

素因数の和:1203

約数の個数: 224

約数和(自身を含む): 1480011264

約数和(自身を除く): 1080043584

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 53, 56, 60, 64, 70, 80, 84, 96, 105, 106, 112, 120, 140, 159, 160, 168, 192, 210, 212, 224, 240, 265, 280, 318, 320, 336, 371, 420, 424, 448, 480, 530, 560, 636, 672, 742, 795, 840, 848, 960, 1060, 1113, 1120, 1123, 1272, 1344, 1484, 1590, 1680, 1696, 1855, 2120, 2226, 2240, 2246, 2544, 2968, 3180, 3360, 3369, 3392, 3710, 4240, 4452, 4492, 5088, 5565, 5615, 5936, 6360, 6720, 6738, 7420, 7861, 8480, 8904, 8984, 10176, 11130, 11230, 11872, 12720, 13476, 14840, 15722, 16845, 16960, 17808, 17968, 22260, 22460, 23583, 23744, 25440, 26952, 29680, 31444, 33690, 35616, 35936, 39305, 44520, 44920, 47166, 50880, 53904, 59360, 59519, 62888, 67380, 71232, 71872, 78610, 89040, 89840, 94332, 107808, 117915, 118720, 119038, 125776, 134760, 157220, 178080, 178557, 179680, 188664, 215616, 235830, 238076, 251552, 269520, 297595, 314440, 356160, 357114, 359360, 377328, 416633, 471660, 476152, 503104, 539040, 595190, 628880, 714228, 754656, 833266, 892785, 943320, 952304, 1078080, 1190380, 1249899, 1257760, 1428456, 1509312, 1666532, 1785570, 1886640, 1904608, 2083165, 2380760, 2499798, 2515520, 2856912, 3333064, 3571140, 3773280, 3809216, 4166330, 4761520, 4999596, 5713824, 6249495, 6666128, 7142280, 7546560, 8332660, 9523040, 9999192, 11427648, 12498990, 13332256, 14284560, 16665320, 19046080, 19998384, 24997980, 26664512, 28569120, 33330640, 39996768, 49995960, 57138240, 66661280, 79993536, 99991920, 133322560, 199983840, 399967680]

約数ペア:

[(1, 399967680), (2, 199983840), (3, 133322560), (4, 99991920), (5, 79993536), (6, 66661280), (7, 57138240), (8, 49995960), (10, 39996768), (12, 33330640), (14, 28569120), (15, 26664512), (16, 24997980), (20, 19998384), (21, 19046080), (24, 16665320), (28, 14284560), (30, 13332256), (32, 12498990), (35, 11427648), (40, 9999192), (42, 9523040), (48, 8332660), (53, 7546560), (56, 7142280), (60, 6666128), (64, 6249495), (70, 5713824), (80, 4999596), (84, 4761520), (96, 4166330), (105, 3809216), (106, 3773280), (112, 3571140), (120, 3333064), (140, 2856912), (159, 2515520), (160, 2499798), (168, 2380760), (192, 2083165), (210, 1904608), (212, 1886640), (224, 1785570), (240, 1666532), (265, 1509312), (280, 1428456), (318, 1257760), (320, 1249899), (336, 1190380), (371, 1078080), (420, 952304), (424, 943320), (448, 892785), (480, 833266), (530, 754656), (560, 714228), (636, 628880), (672, 595190), (742, 539040), (795, 503104), (840, 476152), (848, 471660), (960, 416633), (1060, 377328), (1113, 359360), (1120, 357114), (1123, 356160), (1272, 314440), (1344, 297595), (1484, 269520), (1590, 251552), (1680, 238076), (1696, 235830), (1855, 215616), (2120, 188664), (2226, 179680), (2240, 178557), (2246, 178080), (2544, 157220), (2968, 134760), (3180, 125776), (3360, 119038), (3369, 118720), (3392, 117915), (3710, 107808), (4240, 94332), (4452, 89840), (4492, 89040), (5088, 78610), (5565, 71872), (5615, 71232), (5936, 67380), (6360, 62888), (6720, 59519), (6738, 59360), (7420, 53904), (7861, 50880), (8480, 47166), (8904, 44920), (8984, 44520), (10176, 39305), (11130, 35936), (11230, 35616), (11872, 33690), (12720, 31444), (13476, 29680), (14840, 26952), (15722, 25440), (16845, 23744), (16960, 23583), (17808, 22460), (17968, 22260)]