30912640

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4391}}^1$

素因数の和:4421

約数の個数: 64

約数和(自身を含む): 80637120

約数和(自身を除く): 49724480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 4391, 7040, 8782, 17564, 21955, 35128, 43910, 48301, 70256, 87820, 96602, 140512, 175640, 193204, 241505, 281024, 351280, 386408, 483010, 562048, 702560, 772816, 966020, 1405120, 1545632, 1932040, 2810240, 3091264, 3864080, 6182528, 7728160, 15456320, 30912640]

約数ペア:

[(1, 30912640), (2, 15456320), (4, 7728160), (5, 6182528), (8, 3864080), (10, 3091264), (11, 2810240), (16, 1932040), (20, 1545632), (22, 1405120), (32, 966020), (40, 772816), (44, 702560), (55, 562048), (64, 483010), (80, 386408), (88, 351280), (110, 281024), (128, 241505), (160, 193204), (176, 175640), (220, 140512), (320, 96602), (352, 87820), (440, 70256), (640, 48301), (704, 43910), (880, 35128), (1408, 21955), (1760, 17564), (3520, 8782), (4391, 7040)]