256726764

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{953}}^1\times {\mathrm{1069}}^1$

素因数の和:2039

約数の個数: 72

約数和(自身を含む): 743127840

約数和(自身を除く): 486401076

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 953, 1069, 1906, 2138, 2859, 3207, 3812, 4276, 5718, 6414, 6671, 7483, 8577, 9621, 11436, 12828, 13342, 14966, 17154, 19242, 20013, 22449, 26684, 29932, 34308, 38484, 40026, 44898, 60039, 67347, 80052, 89796, 120078, 134694, 240156, 269388, 1018757, 2037514, 3056271, 4075028, 6112542, 7131299, 9168813, 12225084, 14262598, 18337626, 21393897, 28525196, 36675252, 42787794, 64181691, 85575588, 128363382, 256726764]

約数ペア:

[(1, 256726764), (2, 128363382), (3, 85575588), (4, 64181691), (6, 42787794), (7, 36675252), (9, 28525196), (12, 21393897), (14, 18337626), (18, 14262598), (21, 12225084), (28, 9168813), (36, 7131299), (42, 6112542), (63, 4075028), (84, 3056271), (126, 2037514), (252, 1018757), (953, 269388), (1069, 240156), (1906, 134694), (2138, 120078), (2859, 89796), (3207, 80052), (3812, 67347), (4276, 60039), (5718, 44898), (6414, 40026), (6671, 38484), (7483, 34308), (8577, 29932), (9621, 26684), (11436, 22449), (12828, 20013), (13342, 19242), (14966, 17154)]