122783920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5099}}^1$

素因数の和:5162

約数の個数: 80

約数和(自身を含む): 333907200

約数和(自身を除く): 211123280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 140, 172, 215, 280, 301, 344, 430, 560, 602, 688, 860, 1204, 1505, 1720, 2408, 3010, 3440, 4816, 5099, 6020, 10198, 12040, 20396, 24080, 25495, 35693, 40792, 50990, 71386, 81584, 101980, 142772, 178465, 203960, 219257, 285544, 356930, 407920, 438514, 571088, 713860, 877028, 1096285, 1427720, 1534799, 1754056, 2192570, 2855440, 3069598, 3508112, 4385140, 6139196, 7673995, 8770280, 12278392, 15347990, 17540560, 24556784, 30695980, 61391960, 122783920]

約数ペア:

[(1, 122783920), (2, 61391960), (4, 30695980), (5, 24556784), (7, 17540560), (8, 15347990), (10, 12278392), (14, 8770280), (16, 7673995), (20, 6139196), (28, 4385140), (35, 3508112), (40, 3069598), (43, 2855440), (56, 2192570), (70, 1754056), (80, 1534799), (86, 1427720), (112, 1096285), (140, 877028), (172, 713860), (215, 571088), (280, 438514), (301, 407920), (344, 356930), (430, 285544), (560, 219257), (602, 203960), (688, 178465), (860, 142772), (1204, 101980), (1505, 81584), (1720, 71386), (2408, 50990), (3010, 40792), (3440, 35693), (4816, 25495), (5099, 24080), (6020, 20396), (10198, 12040)]