85780915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:184

約数の個数: 64

約数和(自身を含む): 127733760

約数和(自身を除く): 41952845

約数列:

[1, 5, 11, 19, 23, 43, 55, 83, 95, 115, 209, 215, 253, 415, 437, 473, 817, 913, 989, 1045, 1265, 1577, 1909, 2185, 2365, 3569, 4085, 4565, 4807, 4945, 7885, 8987, 9545, 10879, 17347, 17845, 18791, 20999, 24035, 36271, 39259, 44935, 54395, 67811, 82087, 86735, 93955, 104995, 181355, 196295, 206701, 339055, 398981, 410435, 745921, 902957, 1033505, 1559653, 1994905, 3729605, 4514785, 7798265, 17156183, 85780915]

約数ペア:

[(1, 85780915), (5, 17156183), (11, 7798265), (19, 4514785), (23, 3729605), (43, 1994905), (55, 1559653), (83, 1033505), (95, 902957), (115, 745921), (209, 410435), (215, 398981), (253, 339055), (415, 206701), (437, 196295), (473, 181355), (817, 104995), (913, 93955), (989, 86735), (1045, 82087), (1265, 67811), (1577, 54395), (1909, 44935), (2185, 39259), (2365, 36271), (3569, 24035), (4085, 20999), (4565, 18791), (4807, 17845), (4945, 17347), (7885, 10879), (8987, 9545)]