81125310

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5441}}^1$

素因数の和:5529

約数の個数: 64

約数和(自身を含む): 225690624

約数和(自身を除く): 144565314

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 71, 105, 142, 210, 213, 355, 426, 497, 710, 994, 1065, 1491, 2130, 2485, 2982, 4970, 5441, 7455, 10882, 14910, 16323, 27205, 32646, 38087, 54410, 76174, 81615, 114261, 163230, 190435, 228522, 380870, 386311, 571305, 772622, 1142610, 1158933, 1931555, 2317866, 2704177, 3863110, 5408354, 5794665, 8112531, 11589330, 13520885, 16225062, 27041770, 40562655, 81125310]

約数ペア:

[(1, 81125310), (2, 40562655), (3, 27041770), (5, 16225062), (6, 13520885), (7, 11589330), (10, 8112531), (14, 5794665), (15, 5408354), (21, 3863110), (30, 2704177), (35, 2317866), (42, 1931555), (70, 1158933), (71, 1142610), (105, 772622), (142, 571305), (210, 386311), (213, 380870), (355, 228522), (426, 190435), (497, 163230), (710, 114261), (994, 81615), (1065, 76174), (1491, 54410), (2130, 38087), (2485, 32646), (2982, 27205), (4970, 16323), (5441, 14910), (7455, 10882)]