252579780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{787}}^1\times {\mathrm{1783}}^1$

素因数の和:2585

約数の個数: 72

約数和(自身を含む): 767562432

約数和(自身を除く): 514982652

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 787, 1574, 1783, 2361, 3148, 3566, 3935, 4722, 5349, 7083, 7132, 7870, 8915, 9444, 10698, 11805, 14166, 15740, 16047, 17830, 21396, 23610, 26745, 28332, 32094, 35415, 35660, 47220, 53490, 64188, 70830, 80235, 106980, 141660, 160470, 320940, 1403221, 2806442, 4209663, 5612884, 7016105, 8419326, 12628989, 14032210, 16838652, 21048315, 25257978, 28064420, 42096630, 50515956, 63144945, 84193260, 126289890, 252579780]

約数ペア:

[(1, 252579780), (2, 126289890), (3, 84193260), (4, 63144945), (5, 50515956), (6, 42096630), (9, 28064420), (10, 25257978), (12, 21048315), (15, 16838652), (18, 14032210), (20, 12628989), (30, 8419326), (36, 7016105), (45, 5612884), (60, 4209663), (90, 2806442), (180, 1403221), (787, 320940), (1574, 160470), (1783, 141660), (2361, 106980), (3148, 80235), (3566, 70830), (3935, 64188), (4722, 53490), (5349, 47220), (7083, 35660), (7132, 35415), (7870, 32094), (8915, 28332), (9444, 26745), (10698, 23610), (11805, 21396), (14166, 17830), (15740, 16047)]