81015088

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3461}}^1$

素因数の和:3506

約数の個数: 80

約数和(自身を含む): 206058240

約数和(自身を除く): 125043152

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 38, 44, 56, 76, 77, 88, 112, 133, 152, 154, 176, 209, 266, 304, 308, 418, 532, 616, 836, 1064, 1232, 1463, 1672, 2128, 2926, 3344, 3461, 5852, 6922, 11704, 13844, 23408, 24227, 27688, 38071, 48454, 55376, 65759, 76142, 96908, 131518, 152284, 193816, 263036, 266497, 304568, 387632, 460313, 526072, 532994, 609136, 723349, 920626, 1052144, 1065988, 1446698, 1841252, 2131976, 2893396, 3682504, 4263952, 5063443, 5786792, 7365008, 10126886, 11573584, 20253772, 40507544, 81015088]

約数ペア:

[(1, 81015088), (2, 40507544), (4, 20253772), (7, 11573584), (8, 10126886), (11, 7365008), (14, 5786792), (16, 5063443), (19, 4263952), (22, 3682504), (28, 2893396), (38, 2131976), (44, 1841252), (56, 1446698), (76, 1065988), (77, 1052144), (88, 920626), (112, 723349), (133, 609136), (152, 532994), (154, 526072), (176, 460313), (209, 387632), (266, 304568), (304, 266497), (308, 263036), (418, 193816), (532, 152284), (616, 131518), (836, 96908), (1064, 76142), (1232, 65759), (1463, 55376), (1672, 48454), (2128, 38071), (2926, 27688), (3344, 24227), (3461, 23408), (5852, 13844), (6922, 11704)]