180892778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 321753600

約数和(自身を除く): 140860822

約数列:

[1, 2, 11, 22, 29, 37, 58, 74, 79, 97, 158, 194, 319, 407, 638, 814, 869, 1067, 1073, 1738, 2134, 2146, 2291, 2813, 2923, 3589, 4582, 5626, 5846, 7178, 7663, 11803, 15326, 23606, 25201, 30943, 32153, 39479, 50402, 61886, 64306, 78958, 84293, 84767, 104081, 168586, 169534, 208162, 222227, 283531, 444454, 567062, 932437, 1144891, 1864874, 2289782, 2444497, 3118841, 4888994, 6237682, 8222399, 16444798, 90446389, 180892778]

約数ペア:

[(1, 180892778), (2, 90446389), (11, 16444798), (22, 8222399), (29, 6237682), (37, 4888994), (58, 3118841), (74, 2444497), (79, 2289782), (97, 1864874), (158, 1144891), (194, 932437), (319, 567062), (407, 444454), (638, 283531), (814, 222227), (869, 208162), (1067, 169534), (1073, 168586), (1738, 104081), (2134, 84767), (2146, 84293), (2291, 78958), (2813, 64306), (2923, 61886), (3589, 50402), (4582, 39479), (5626, 32153), (5846, 30943), (7178, 25201), (7663, 23606), (11803, 15326)]