71808281180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{124897}}^1$

素因数の和:125031

約数の個数: 96

約数和(自身を含む): 169961198400

約数和(自身を除く): 98152917220

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 89, 95, 170, 178, 190, 323, 340, 356, 380, 445, 646, 890, 1292, 1513, 1615, 1691, 1780, 3026, 3230, 3382, 6052, 6460, 6764, 7565, 8455, 15130, 16910, 28747, 30260, 33820, 57494, 114988, 124897, 143735, 249794, 287470, 499588, 574940, 624485, 1248970, 2123249, 2373043, 2497940, 4246498, 4746086, 8492996, 9492172, 10616245, 11115833, 11865215, 21232490, 22231666, 23730430, 40341731, 42464980, 44463332, 47460860, 55579165, 80683462, 111158330, 161366924, 188969161, 201708655, 211200827, 222316660, 377938322, 403417310, 422401654, 755876644, 806834620, 844803308, 944845805, 1056004135, 1889691610, 2112008270, 3590414059, 3779383220, 4224016540, 7180828118, 14361656236, 17952070295, 35904140590, 71808281180]

約数ペア:

[(1, 71808281180), (2, 35904140590), (4, 17952070295), (5, 14361656236), (10, 7180828118), (17, 4224016540), (19, 3779383220), (20, 3590414059), (34, 2112008270), (38, 1889691610), (68, 1056004135), (76, 944845805), (85, 844803308), (89, 806834620), (95, 755876644), (170, 422401654), (178, 403417310), (190, 377938322), (323, 222316660), (340, 211200827), (356, 201708655), (380, 188969161), (445, 161366924), (646, 111158330), (890, 80683462), (1292, 55579165), (1513, 47460860), (1615, 44463332), (1691, 42464980), (1780, 40341731), (3026, 23730430), (3230, 22231666), (3382, 21232490), (6052, 11865215), (6460, 11115833), (6764, 10616245), (7565, 9492172), (8455, 8492996), (15130, 4746086), (16910, 4246498), (28747, 2497940), (30260, 2373043), (33820, 2123249), (57494, 1248970), (114988, 624485), (124897, 574940), (143735, 499588), (249794, 287470)]