8540728

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1$

素因数の和:404

約数の個数: 64

約数和(自身を含む): 20160000

約数和(自身を除く): 11619272

約数列:

[1, 2, 4, 7, 8, 14, 19, 23, 28, 38, 46, 56, 76, 92, 133, 152, 161, 184, 266, 322, 349, 437, 532, 644, 698, 874, 1064, 1288, 1396, 1748, 2443, 2792, 3059, 3496, 4886, 6118, 6631, 8027, 9772, 12236, 13262, 16054, 19544, 24472, 26524, 32108, 46417, 53048, 56189, 64216, 92834, 112378, 152513, 185668, 224756, 305026, 371336, 449512, 610052, 1067591, 1220104, 2135182, 4270364, 8540728]

約数ペア:

[(1, 8540728), (2, 4270364), (4, 2135182), (7, 1220104), (8, 1067591), (14, 610052), (19, 449512), (23, 371336), (28, 305026), (38, 224756), (46, 185668), (56, 152513), (76, 112378), (92, 92834), (133, 64216), (152, 56189), (161, 53048), (184, 46417), (266, 32108), (322, 26524), (349, 24472), (437, 19544), (532, 16054), (644, 13262), (698, 12236), (874, 9772), (1064, 8027), (1288, 6631), (1396, 6118), (1748, 4886), (2443, 3496), (2792, 3059)]