180904542

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{787}}^1$

素因数の和:1233

約数の個数: 64

約数和(自身を含む): 446928384

約数和(自身を除く): 266023842

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 421, 546, 787, 842, 1263, 1574, 2361, 2526, 2947, 4722, 5473, 5509, 5894, 8841, 10231, 10946, 11018, 16419, 16527, 17682, 20462, 30693, 32838, 33054, 38311, 61386, 71617, 76622, 114933, 143234, 214851, 229866, 331327, 429702, 662654, 993981, 1987962, 2319289, 4307251, 4638578, 6957867, 8614502, 12921753, 13915734, 25843506, 30150757, 60301514, 90452271, 180904542]

約数ペア:

[(1, 180904542), (2, 90452271), (3, 60301514), (6, 30150757), (7, 25843506), (13, 13915734), (14, 12921753), (21, 8614502), (26, 6957867), (39, 4638578), (42, 4307251), (78, 2319289), (91, 1987962), (182, 993981), (273, 662654), (421, 429702), (546, 331327), (787, 229866), (842, 214851), (1263, 143234), (1574, 114933), (2361, 76622), (2526, 71617), (2947, 61386), (4722, 38311), (5473, 33054), (5509, 32838), (5894, 30693), (8841, 20462), (10231, 17682), (10946, 16527), (11018, 16419)]