123111520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{383}}^1$

素因数の和:453

約数の個数: 144

約数和(自身を含む): 347493888

約数和(自身を除く): 224382368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 49, 56, 70, 80, 82, 98, 112, 140, 160, 164, 196, 205, 224, 245, 280, 287, 328, 383, 392, 410, 490, 560, 574, 656, 766, 784, 820, 980, 1120, 1148, 1312, 1435, 1532, 1568, 1640, 1915, 1960, 2009, 2296, 2681, 2870, 3064, 3280, 3830, 3920, 4018, 4592, 5362, 5740, 6128, 6560, 7660, 7840, 8036, 9184, 10045, 10724, 11480, 12256, 13405, 15320, 15703, 16072, 18767, 20090, 21448, 22960, 26810, 30640, 31406, 32144, 37534, 40180, 42896, 45920, 53620, 61280, 62812, 64288, 75068, 78515, 80360, 85792, 93835, 107240, 109921, 125624, 150136, 157030, 160720, 187670, 214480, 219842, 251248, 300272, 314060, 321440, 375340, 428960, 439684, 502496, 549605, 600544, 628120, 750680, 769447, 879368, 1099210, 1256240, 1501360, 1538894, 1758736, 2198420, 2512480, 3002720, 3077788, 3517472, 3847235, 4396840, 6155576, 7694470, 8793680, 12311152, 15388940, 17587360, 24622304, 30777880, 61555760, 123111520]

約数ペア:

[(1, 123111520), (2, 61555760), (4, 30777880), (5, 24622304), (7, 17587360), (8, 15388940), (10, 12311152), (14, 8793680), (16, 7694470), (20, 6155576), (28, 4396840), (32, 3847235), (35, 3517472), (40, 3077788), (41, 3002720), (49, 2512480), (56, 2198420), (70, 1758736), (80, 1538894), (82, 1501360), (98, 1256240), (112, 1099210), (140, 879368), (160, 769447), (164, 750680), (196, 628120), (205, 600544), (224, 549605), (245, 502496), (280, 439684), (287, 428960), (328, 375340), (383, 321440), (392, 314060), (410, 300272), (490, 251248), (560, 219842), (574, 214480), (656, 187670), (766, 160720), (784, 157030), (820, 150136), (980, 125624), (1120, 109921), (1148, 107240), (1312, 93835), (1435, 85792), (1532, 80360), (1568, 78515), (1640, 75068), (1915, 64288), (1960, 62812), (2009, 61280), (2296, 53620), (2681, 45920), (2870, 42896), (3064, 40180), (3280, 37534), (3830, 32144), (3920, 31406), (4018, 30640), (4592, 26810), (5362, 22960), (5740, 21448), (6128, 20090), (6560, 18767), (7660, 16072), (7840, 15703), (8036, 15320), (9184, 13405), (10045, 12256), (10724, 11480)]