278389440

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{4603}}^1$

素因数の和:4636

約数の個数: 224

約数和(自身を含む): 1122639360

約数和(自身を除く): 844249920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 420, 432, 448, 480, 504, 540, 560, 576, 630, 672, 720, 756, 840, 864, 945, 960, 1008, 1080, 1120, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 2016, 2160, 2240, 2520, 2880, 3024, 3360, 3780, 4032, 4320, 4603, 5040, 6048, 6720, 7560, 8640, 9206, 10080, 12096, 13809, 15120, 18412, 20160, 23015, 27618, 30240, 32221, 36824, 41427, 46030, 55236, 60480, 64442, 69045, 73648, 82854, 92060, 96663, 110472, 124281, 128884, 138090, 147296, 161105, 165708, 184120, 193326, 207135, 220944, 248562, 257768, 276180, 289989, 294592, 322210, 331416, 368240, 386652, 414270, 441888, 483315, 497124, 515536, 552360, 579978, 621405, 644420, 662832, 736480, 773304, 828540, 869967, 883776, 966630, 994248, 1031072, 1104720, 1159956, 1242810, 1288840, 1325664, 1449945, 1472960, 1546608, 1657080, 1739934, 1933260, 1988496, 2062144, 2209440, 2319912, 2485620, 2577680, 2651328, 2899890, 3093216, 3314160, 3479868, 3866520, 3976992, 4349835, 4418880, 4639824, 4971240, 5155360, 5799780, 6186432, 6628320, 6959736, 7733040, 7953984, 8699670, 9279648, 9942480, 10310720, 11599560, 13256640, 13919472, 15466080, 17399340, 18559296, 19884960, 23199120, 27838944, 30932160, 34798680, 39769920, 46398240, 55677888, 69597360, 92796480, 139194720, 278389440]

約数ペア:

[(1, 278389440), (2, 139194720), (3, 92796480), (4, 69597360), (5, 55677888), (6, 46398240), (7, 39769920), (8, 34798680), (9, 30932160), (10, 27838944), (12, 23199120), (14, 19884960), (15, 18559296), (16, 17399340), (18, 15466080), (20, 13919472), (21, 13256640), (24, 11599560), (27, 10310720), (28, 9942480), (30, 9279648), (32, 8699670), (35, 7953984), (36, 7733040), (40, 6959736), (42, 6628320), (45, 6186432), (48, 5799780), (54, 5155360), (56, 4971240), (60, 4639824), (63, 4418880), (64, 4349835), (70, 3976992), (72, 3866520), (80, 3479868), (84, 3314160), (90, 3093216), (96, 2899890), (105, 2651328), (108, 2577680), (112, 2485620), (120, 2319912), (126, 2209440), (135, 2062144), (140, 1988496), (144, 1933260), (160, 1739934), (168, 1657080), (180, 1546608), (189, 1472960), (192, 1449945), (210, 1325664), (216, 1288840), (224, 1242810), (240, 1159956), (252, 1104720), (270, 1031072), (280, 994248), (288, 966630), (315, 883776), (320, 869967), (336, 828540), (360, 773304), (378, 736480), (420, 662832), (432, 644420), (448, 621405), (480, 579978), (504, 552360), (540, 515536), (560, 497124), (576, 483315), (630, 441888), (672, 414270), (720, 386652), (756, 368240), (840, 331416), (864, 322210), (945, 294592), (960, 289989), (1008, 276180), (1080, 257768), (1120, 248562), (1260, 220944), (1344, 207135), (1440, 193326), (1512, 184120), (1680, 165708), (1728, 161105), (1890, 147296), (2016, 138090), (2160, 128884), (2240, 124281), (2520, 110472), (2880, 96663), (3024, 92060), (3360, 82854), (3780, 73648), (4032, 69045), (4320, 64442), (4603, 60480), (5040, 55236), (6048, 46030), (6720, 41427), (7560, 36824), (8640, 32221), (9206, 30240), (10080, 27618), (12096, 23015), (13809, 20160), (15120, 18412)]