620518912

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1759}}^1$

素因数の和:1843

約数の個数: 80

約数和(自身を含む): 1361162880

約数和(自身を除く): 740643968

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 53, 64, 104, 106, 128, 208, 212, 256, 416, 424, 512, 689, 832, 848, 1378, 1664, 1696, 1759, 2756, 3328, 3392, 3518, 5512, 6656, 6784, 7036, 11024, 13568, 14072, 22048, 22867, 27136, 28144, 44096, 45734, 56288, 88192, 91468, 93227, 112576, 176384, 182936, 186454, 225152, 352768, 365872, 372908, 450304, 731744, 745816, 900608, 1211951, 1463488, 1491632, 2423902, 2926976, 2983264, 4847804, 5853952, 5966528, 9695608, 11707904, 11933056, 19391216, 23866112, 38782432, 47732224, 77564864, 155129728, 310259456, 620518912]

約数ペア:

[(1, 620518912), (2, 310259456), (4, 155129728), (8, 77564864), (13, 47732224), (16, 38782432), (26, 23866112), (32, 19391216), (52, 11933056), (53, 11707904), (64, 9695608), (104, 5966528), (106, 5853952), (128, 4847804), (208, 2983264), (212, 2926976), (256, 2423902), (416, 1491632), (424, 1463488), (512, 1211951), (689, 900608), (832, 745816), (848, 731744), (1378, 450304), (1664, 372908), (1696, 365872), (1759, 352768), (2756, 225152), (3328, 186454), (3392, 182936), (3518, 176384), (5512, 112576), (6656, 93227), (6784, 91468), (7036, 88192), (11024, 56288), (13568, 45734), (14072, 44096), (22048, 28144), (22867, 27136)]