55272280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{643}}^1$

素因数の和:968

約数の個数: 64

約数和(自身を含む): 142813440

約数和(自身を除く): 87541160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 307, 614, 643, 1228, 1286, 1535, 2149, 2456, 2572, 3070, 3215, 4298, 4501, 5144, 6140, 6430, 8596, 9002, 10745, 12280, 12860, 17192, 18004, 21490, 22505, 25720, 36008, 42980, 45010, 85960, 90020, 180040, 197401, 394802, 789604, 987005, 1381807, 1579208, 1974010, 2763614, 3948020, 5527228, 6909035, 7896040, 11054456, 13818070, 27636140, 55272280]

約数ペア:

[(1, 55272280), (2, 27636140), (4, 13818070), (5, 11054456), (7, 7896040), (8, 6909035), (10, 5527228), (14, 3948020), (20, 2763614), (28, 1974010), (35, 1579208), (40, 1381807), (56, 987005), (70, 789604), (140, 394802), (280, 197401), (307, 180040), (614, 90020), (643, 85960), (1228, 45010), (1286, 42980), (1535, 36008), (2149, 25720), (2456, 22505), (2572, 21490), (3070, 18004), (3215, 17192), (4298, 12860), (4501, 12280), (5144, 10745), (6140, 9002), (6430, 8596)]