30777880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{383}}^1$

素因数の和:449

約数の個数: 96

約数和(自身を含む): 82736640

約数和(自身を除く): 51958760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 49, 56, 70, 82, 98, 140, 164, 196, 205, 245, 280, 287, 328, 383, 392, 410, 490, 574, 766, 820, 980, 1148, 1435, 1532, 1640, 1915, 1960, 2009, 2296, 2681, 2870, 3064, 3830, 4018, 5362, 5740, 7660, 8036, 10045, 10724, 11480, 13405, 15320, 15703, 16072, 18767, 20090, 21448, 26810, 31406, 37534, 40180, 53620, 62812, 75068, 78515, 80360, 93835, 107240, 109921, 125624, 150136, 157030, 187670, 219842, 314060, 375340, 439684, 549605, 628120, 750680, 769447, 879368, 1099210, 1538894, 2198420, 3077788, 3847235, 4396840, 6155576, 7694470, 15388940, 30777880]

約数ペア:

[(1, 30777880), (2, 15388940), (4, 7694470), (5, 6155576), (7, 4396840), (8, 3847235), (10, 3077788), (14, 2198420), (20, 1538894), (28, 1099210), (35, 879368), (40, 769447), (41, 750680), (49, 628120), (56, 549605), (70, 439684), (82, 375340), (98, 314060), (140, 219842), (164, 187670), (196, 157030), (205, 150136), (245, 125624), (280, 109921), (287, 107240), (328, 93835), (383, 80360), (392, 78515), (410, 75068), (490, 62812), (574, 53620), (766, 40180), (820, 37534), (980, 31406), (1148, 26810), (1435, 21448), (1532, 20090), (1640, 18767), (1915, 16072), (1960, 15703), (2009, 15320), (2296, 13405), (2681, 11480), (2870, 10724), (3064, 10045), (3830, 8036), (4018, 7660), (5362, 5740)]