42146720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{311}}^1$

素因数の和:355

約数の個数: 144

約数和(自身を含む): 125483904

約数和(自身を除く): 83337184

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 121, 140, 154, 160, 176, 220, 224, 242, 280, 308, 311, 352, 385, 440, 484, 560, 605, 616, 622, 770, 847, 880, 968, 1120, 1210, 1232, 1244, 1540, 1555, 1694, 1760, 1936, 2177, 2420, 2464, 2488, 3080, 3110, 3388, 3421, 3872, 4235, 4354, 4840, 4976, 6160, 6220, 6776, 6842, 8470, 8708, 9680, 9952, 10885, 12320, 12440, 13552, 13684, 16940, 17105, 17416, 19360, 21770, 23947, 24880, 27104, 27368, 33880, 34210, 34832, 37631, 43540, 47894, 49760, 54736, 67760, 68420, 69664, 75262, 87080, 95788, 109472, 119735, 135520, 136840, 150524, 174160, 188155, 191576, 239470, 263417, 273680, 301048, 348320, 376310, 383152, 478940, 526834, 547360, 602096, 752620, 766304, 957880, 1053668, 1204192, 1317085, 1505240, 1915760, 2107336, 2634170, 3010480, 3831520, 4214672, 5268340, 6020960, 8429344, 10536680, 21073360, 42146720]

約数ペア:

[(1, 42146720), (2, 21073360), (4, 10536680), (5, 8429344), (7, 6020960), (8, 5268340), (10, 4214672), (11, 3831520), (14, 3010480), (16, 2634170), (20, 2107336), (22, 1915760), (28, 1505240), (32, 1317085), (35, 1204192), (40, 1053668), (44, 957880), (55, 766304), (56, 752620), (70, 602096), (77, 547360), (80, 526834), (88, 478940), (110, 383152), (112, 376310), (121, 348320), (140, 301048), (154, 273680), (160, 263417), (176, 239470), (220, 191576), (224, 188155), (242, 174160), (280, 150524), (308, 136840), (311, 135520), (352, 119735), (385, 109472), (440, 95788), (484, 87080), (560, 75262), (605, 69664), (616, 68420), (622, 67760), (770, 54736), (847, 49760), (880, 47894), (968, 43540), (1120, 37631), (1210, 34832), (1232, 34210), (1244, 33880), (1540, 27368), (1555, 27104), (1694, 24880), (1760, 23947), (1936, 21770), (2177, 19360), (2420, 17416), (2464, 17105), (2488, 16940), (3080, 13684), (3110, 13552), (3388, 12440), (3421, 12320), (3872, 10885), (4235, 9952), (4354, 9680), (4840, 8708), (4976, 8470), (6160, 6842), (6220, 6776)]