81170090540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{7529693}}^1$

素因数の和:7529727

約数の個数: 72

約数和(自身を含む): 216313049232

約数和(自身を除く): 135142958692

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 7529693, 15059386, 30118772, 37648465, 52707851, 75296930, 82826623, 105415702, 150593860, 165653246, 210831404, 263539255, 331306492, 368954957, 414133115, 527078510, 579786361, 737909914, 828266230, 1054157020, 1159572722, 1475819828, 1656532460, 1844774785, 2319145444, 2898931805, 3689549570, 4058504527, 5797863610, 7379099140, 8117009054, 11595727220, 16234018108, 20292522635, 40585045270, 81170090540]

約数ペア:

[(1, 81170090540), (2, 40585045270), (4, 20292522635), (5, 16234018108), (7, 11595727220), (10, 8117009054), (11, 7379099140), (14, 5797863610), (20, 4058504527), (22, 3689549570), (28, 2898931805), (35, 2319145444), (44, 1844774785), (49, 1656532460), (55, 1475819828), (70, 1159572722), (77, 1054157020), (98, 828266230), (110, 737909914), (140, 579786361), (154, 527078510), (196, 414133115), (220, 368954957), (245, 331306492), (308, 263539255), (385, 210831404), (490, 165653246), (539, 150593860), (770, 105415702), (980, 82826623), (1078, 75296930), (1540, 52707851), (2156, 37648465), (2695, 30118772), (5390, 15059386), (10780, 7529693)]