397587840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{937}}^1$

素因数の和:989

約数の個数: 256

約数和(自身を含む): 1446621120

約数和(自身を除く): 1049033280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 24, 26, 30, 32, 34, 39, 40, 48, 51, 52, 60, 64, 65, 68, 78, 80, 85, 96, 102, 104, 120, 128, 130, 136, 156, 160, 170, 192, 195, 204, 208, 221, 240, 255, 260, 272, 312, 320, 340, 384, 390, 408, 416, 442, 480, 510, 520, 544, 624, 640, 663, 680, 780, 816, 832, 884, 937, 960, 1020, 1040, 1088, 1105, 1248, 1326, 1360, 1560, 1632, 1664, 1768, 1874, 1920, 2040, 2080, 2176, 2210, 2496, 2652, 2720, 2811, 3120, 3264, 3315, 3536, 3748, 4080, 4160, 4420, 4685, 4992, 5304, 5440, 5622, 6240, 6528, 6630, 7072, 7496, 8160, 8320, 8840, 9370, 10608, 10880, 11244, 12181, 12480, 13260, 14055, 14144, 14992, 15929, 16320, 17680, 18740, 21216, 22488, 24362, 24960, 26520, 28110, 28288, 29984, 31858, 32640, 35360, 36543, 37480, 42432, 44976, 47787, 48724, 53040, 56220, 59968, 60905, 63716, 70720, 73086, 74960, 79645, 84864, 89952, 95574, 97448, 106080, 112440, 119936, 121810, 127432, 141440, 146172, 149920, 159290, 179904, 182715, 191148, 194896, 207077, 212160, 224880, 238935, 243620, 254864, 292344, 299840, 318580, 359808, 365430, 382296, 389792, 414154, 424320, 449760, 477870, 487240, 509728, 584688, 599680, 621231, 637160, 730860, 764592, 779584, 828308, 899520, 955740, 974480, 1019456, 1035385, 1169376, 1242462, 1274320, 1461720, 1529184, 1559168, 1656616, 1799040, 1911480, 1948960, 2038912, 2070770, 2338752, 2484924, 2548640, 2923440, 3058368, 3106155, 3313232, 3822960, 3897920, 4141540, 4677504, 4969848, 5097280, 5846880, 6116736, 6212310, 6626464, 7645920, 7795840, 8283080, 9939696, 10194560, 11693760, 12424620, 13252928, 15291840, 16566160, 19879392, 23387520, 24849240, 26505856, 30583680, 33132320, 39758784, 49698480, 66264640, 79517568, 99396960, 132529280, 198793920, 397587840]

約数ペア:

[(1, 397587840), (2, 198793920), (3, 132529280), (4, 99396960), (5, 79517568), (6, 66264640), (8, 49698480), (10, 39758784), (12, 33132320), (13, 30583680), (15, 26505856), (16, 24849240), (17, 23387520), (20, 19879392), (24, 16566160), (26, 15291840), (30, 13252928), (32, 12424620), (34, 11693760), (39, 10194560), (40, 9939696), (48, 8283080), (51, 7795840), (52, 7645920), (60, 6626464), (64, 6212310), (65, 6116736), (68, 5846880), (78, 5097280), (80, 4969848), (85, 4677504), (96, 4141540), (102, 3897920), (104, 3822960), (120, 3313232), (128, 3106155), (130, 3058368), (136, 2923440), (156, 2548640), (160, 2484924), (170, 2338752), (192, 2070770), (195, 2038912), (204, 1948960), (208, 1911480), (221, 1799040), (240, 1656616), (255, 1559168), (260, 1529184), (272, 1461720), (312, 1274320), (320, 1242462), (340, 1169376), (384, 1035385), (390, 1019456), (408, 974480), (416, 955740), (442, 899520), (480, 828308), (510, 779584), (520, 764592), (544, 730860), (624, 637160), (640, 621231), (663, 599680), (680, 584688), (780, 509728), (816, 487240), (832, 477870), (884, 449760), (937, 424320), (960, 414154), (1020, 389792), (1040, 382296), (1088, 365430), (1105, 359808), (1248, 318580), (1326, 299840), (1360, 292344), (1560, 254864), (1632, 243620), (1664, 238935), (1768, 224880), (1874, 212160), (1920, 207077), (2040, 194896), (2080, 191148), (2176, 182715), (2210, 179904), (2496, 159290), (2652, 149920), (2720, 146172), (2811, 141440), (3120, 127432), (3264, 121810), (3315, 119936), (3536, 112440), (3748, 106080), (4080, 97448), (4160, 95574), (4420, 89952), (4685, 84864), (4992, 79645), (5304, 74960), (5440, 73086), (5622, 70720), (6240, 63716), (6528, 60905), (6630, 59968), (7072, 56220), (7496, 53040), (8160, 48724), (8320, 47787), (8840, 44976), (9370, 42432), (10608, 37480), (10880, 36543), (11244, 35360), (12181, 32640), (12480, 31858), (13260, 29984), (14055, 28288), (14144, 28110), (14992, 26520), (15929, 24960), (16320, 24362), (17680, 22488), (18740, 21216)]