161336560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2381}}^1$

素因数の和:2423

約数の個数: 120

約数和(自身を含む): 471407328

約数和(自身を除く): 310070768

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 121, 140, 154, 176, 220, 242, 280, 308, 385, 440, 484, 560, 605, 616, 770, 847, 880, 968, 1210, 1232, 1540, 1694, 1936, 2381, 2420, 3080, 3388, 4235, 4762, 4840, 6160, 6776, 8470, 9524, 9680, 11905, 13552, 16667, 16940, 19048, 23810, 26191, 33334, 33880, 38096, 47620, 52382, 66668, 67760, 83335, 95240, 104764, 130955, 133336, 166670, 183337, 190480, 209528, 261910, 266672, 288101, 333340, 366674, 419056, 523820, 576202, 666680, 733348, 916685, 1047640, 1152404, 1333360, 1440505, 1466696, 1833370, 2016707, 2095280, 2304808, 2881010, 2933392, 3666740, 4033414, 4609616, 5762020, 7333480, 8066828, 10083535, 11524040, 14666960, 16133656, 20167070, 23048080, 32267312, 40334140, 80668280, 161336560]

約数ペア:

[(1, 161336560), (2, 80668280), (4, 40334140), (5, 32267312), (7, 23048080), (8, 20167070), (10, 16133656), (11, 14666960), (14, 11524040), (16, 10083535), (20, 8066828), (22, 7333480), (28, 5762020), (35, 4609616), (40, 4033414), (44, 3666740), (55, 2933392), (56, 2881010), (70, 2304808), (77, 2095280), (80, 2016707), (88, 1833370), (110, 1466696), (112, 1440505), (121, 1333360), (140, 1152404), (154, 1047640), (176, 916685), (220, 733348), (242, 666680), (280, 576202), (308, 523820), (385, 419056), (440, 366674), (484, 333340), (560, 288101), (605, 266672), (616, 261910), (770, 209528), (847, 190480), (880, 183337), (968, 166670), (1210, 133336), (1232, 130955), (1540, 104764), (1694, 95240), (1936, 83335), (2381, 67760), (2420, 66668), (3080, 52382), (3388, 47620), (4235, 38096), (4762, 33880), (4840, 33334), (6160, 26191), (6776, 23810), (8470, 19048), (9524, 16940), (9680, 16667), (11905, 13552)]