12881180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:175

約数の個数: 72

約数和(自身を含む): 30375072

約数和(自身を除く): 17493892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 103, 130, 148, 169, 185, 206, 260, 338, 370, 412, 481, 515, 676, 740, 845, 962, 1030, 1339, 1690, 1924, 2060, 2405, 2678, 3380, 3811, 4810, 5356, 6253, 6695, 7622, 9620, 12506, 13390, 15244, 17407, 19055, 25012, 26780, 31265, 34814, 38110, 49543, 62530, 69628, 76220, 87035, 99086, 125060, 174070, 198172, 247715, 348140, 495430, 644059, 990860, 1288118, 2576236, 3220295, 6440590, 12881180]

約数ペア:

[(1, 12881180), (2, 6440590), (4, 3220295), (5, 2576236), (10, 1288118), (13, 990860), (20, 644059), (26, 495430), (37, 348140), (52, 247715), (65, 198172), (74, 174070), (103, 125060), (130, 99086), (148, 87035), (169, 76220), (185, 69628), (206, 62530), (260, 49543), (338, 38110), (370, 34814), (412, 31265), (481, 26780), (515, 25012), (676, 19055), (740, 17407), (845, 15244), (962, 13390), (1030, 12506), (1339, 9620), (1690, 7622), (1924, 6695), (2060, 6253), (2405, 5356), (2678, 4810), (3380, 3811)]