255741660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{761}}^1\times {\mathrm{1867}}^1$

素因数の和:2643

約数の個数: 72

約数和(自身を含む): 777185136

約数和(自身を除く): 521443476

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 761, 1522, 1867, 2283, 3044, 3734, 3805, 4566, 5601, 6849, 7468, 7610, 9132, 9335, 11202, 11415, 13698, 15220, 16803, 18670, 22404, 22830, 27396, 28005, 33606, 34245, 37340, 45660, 56010, 67212, 68490, 84015, 112020, 136980, 168030, 336060, 1420787, 2841574, 4262361, 5683148, 7103935, 8524722, 12787083, 14207870, 17049444, 21311805, 25574166, 28415740, 42623610, 51148332, 63935415, 85247220, 127870830, 255741660]

約数ペア:

[(1, 255741660), (2, 127870830), (3, 85247220), (4, 63935415), (5, 51148332), (6, 42623610), (9, 28415740), (10, 25574166), (12, 21311805), (15, 17049444), (18, 14207870), (20, 12787083), (30, 8524722), (36, 7103935), (45, 5683148), (60, 4262361), (90, 2841574), (180, 1420787), (761, 336060), (1522, 168030), (1867, 136980), (2283, 112020), (3044, 84015), (3734, 68490), (3805, 67212), (4566, 56010), (5601, 45660), (6849, 37340), (7468, 34245), (7610, 33606), (9132, 28005), (9335, 27396), (11202, 22830), (11415, 22404), (13698, 18670), (15220, 16803)]