81215031480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{569}}^1\times {\mathrm{108131}}^1$

素因数の和:108725

約数の個数: 128

約数和(自身を含む): 266264236800

約数和(自身を除く): 185049205320

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, 569, 660, 1138, 1320, 1707, 2276, 2845, 3414, 4552, 5690, 6259, 6828, 8535, 11380, 12518, 13656, 17070, 18777, 22760, 25036, 31295, 34140, 37554, 50072, 62590, 68280, 75108, 93885, 108131, 125180, 150216, 187770, 216262, 250360, 324393, 375540, 432524, 540655, 648786, 751080, 865048, 1081310, 1189441, 1297572, 1621965, 2162620, 2378882, 2595144, 3243930, 3568323, 4325240, 4757764, 5947205, 6487860, 7136646, 9515528, 11894410, 12975720, 14273292, 17841615, 23788820, 28546584, 35683230, 47577640, 61526539, 71366460, 123053078, 142732920, 184579617, 246106156, 307632695, 369159234, 492212312, 615265390, 676791929, 738318468, 922898085, 1230530780, 1353583858, 1476636936, 1845796170, 2030375787, 2461061560, 2707167716, 3383959645, 3691592340, 4060751574, 5414335432, 6767919290, 7383184680, 8121503148, 10151878935, 13535838580, 16243006296, 20303757870, 27071677160, 40607515740, 81215031480]

約数ペア:

[(1, 81215031480), (2, 40607515740), (3, 27071677160), (4, 20303757870), (5, 16243006296), (6, 13535838580), (8, 10151878935), (10, 8121503148), (11, 7383184680), (12, 6767919290), (15, 5414335432), (20, 4060751574), (22, 3691592340), (24, 3383959645), (30, 2707167716), (33, 2461061560), (40, 2030375787), (44, 1845796170), (55, 1476636936), (60, 1353583858), (66, 1230530780), (88, 922898085), (110, 738318468), (120, 676791929), (132, 615265390), (165, 492212312), (220, 369159234), (264, 307632695), (330, 246106156), (440, 184579617), (569, 142732920), (660, 123053078), (1138, 71366460), (1320, 61526539), (1707, 47577640), (2276, 35683230), (2845, 28546584), (3414, 23788820), (4552, 17841615), (5690, 14273292), (6259, 12975720), (6828, 11894410), (8535, 9515528), (11380, 7136646), (12518, 6487860), (13656, 5947205), (17070, 4757764), (18777, 4325240), (22760, 3568323), (25036, 3243930), (31295, 2595144), (34140, 2378882), (37554, 2162620), (50072, 1621965), (62590, 1297572), (68280, 1189441), (75108, 1081310), (93885, 865048), (108131, 751080), (125180, 648786), (150216, 540655), (187770, 432524), (216262, 375540), (250360, 324393)]