81510366340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{234131}}^1$

素因数の和:234269

約数の個数: 72

約数和(自身を含む): 187152009408

約数和(自身を除く): 105641643068

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 169, 206, 260, 338, 412, 515, 676, 845, 1030, 1339, 1690, 2060, 2678, 3380, 5356, 6695, 13390, 17407, 26780, 34814, 69628, 87035, 174070, 234131, 348140, 468262, 936524, 1170655, 2341310, 3043703, 4682620, 6087406, 12174812, 15218515, 24115493, 30437030, 39568139, 48230986, 60874060, 79136278, 96461972, 120577465, 158272556, 197840695, 241154930, 313501409, 395681390, 482309860, 627002818, 791362780, 1254005636, 1567507045, 3135014090, 4075518317, 6270028180, 8151036634, 16302073268, 20377591585, 40755183170, 81510366340]

約数ペア:

[(1, 81510366340), (2, 40755183170), (4, 20377591585), (5, 16302073268), (10, 8151036634), (13, 6270028180), (20, 4075518317), (26, 3135014090), (52, 1567507045), (65, 1254005636), (103, 791362780), (130, 627002818), (169, 482309860), (206, 395681390), (260, 313501409), (338, 241154930), (412, 197840695), (515, 158272556), (676, 120577465), (845, 96461972), (1030, 79136278), (1339, 60874060), (1690, 48230986), (2060, 39568139), (2678, 30437030), (3380, 24115493), (5356, 15218515), (6695, 12174812), (13390, 6087406), (17407, 4682620), (26780, 3043703), (34814, 2341310), (69628, 1170655), (87035, 936524), (174070, 468262), (234131, 348140)]