256712280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{194479}}^1$

素因数の和:194504

約数の個数: 64

約数和(自身を含む): 840153600

約数和(自身を除く): 583441320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 194479, 388958, 583437, 777916, 972395, 1166874, 1555832, 1944790, 2139269, 2333748, 2917185, 3889580, 4278538, 4667496, 5834370, 6417807, 7779160, 8557076, 10696345, 11668740, 12835614, 17114152, 21392690, 23337480, 25671228, 32089035, 42785380, 51342456, 64178070, 85570760, 128356140, 256712280]

約数ペア:

[(1, 256712280), (2, 128356140), (3, 85570760), (4, 64178070), (5, 51342456), (6, 42785380), (8, 32089035), (10, 25671228), (11, 23337480), (12, 21392690), (15, 17114152), (20, 12835614), (22, 11668740), (24, 10696345), (30, 8557076), (33, 7779160), (40, 6417807), (44, 5834370), (55, 4667496), (60, 4278538), (66, 3889580), (88, 2917185), (110, 2333748), (120, 2139269), (132, 1944790), (165, 1555832), (220, 1166874), (264, 972395), (330, 777916), (440, 583437), (660, 388958), (1320, 194479)]