20160460905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{30871}}^1$

素因数の和:31106

約数の個数: 64

約数和(自身を含む): 36969343488

約数和(自身を除く): 16808882583

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 197, 221, 255, 591, 663, 985, 1105, 2561, 2955, 3315, 3349, 7683, 10047, 12805, 16745, 30871, 38415, 43537, 50235, 92613, 130611, 154355, 217685, 401323, 463065, 524807, 653055, 1203969, 1574421, 2006615, 2624035, 6019845, 6081587, 6822491, 7872105, 18244761, 20467473, 30407935, 34112455, 79060631, 91223805, 102337365, 103386979, 237181893, 310160937, 395303155, 516934895, 1185909465, 1344030727, 1550804685, 4032092181, 6720153635, 20160460905]

約数ペア:

[(1, 20160460905), (3, 6720153635), (5, 4032092181), (13, 1550804685), (15, 1344030727), (17, 1185909465), (39, 516934895), (51, 395303155), (65, 310160937), (85, 237181893), (195, 103386979), (197, 102337365), (221, 91223805), (255, 79060631), (591, 34112455), (663, 30407935), (985, 20467473), (1105, 18244761), (2561, 7872105), (2955, 6822491), (3315, 6081587), (3349, 6019845), (7683, 2624035), (10047, 2006615), (12805, 1574421), (16745, 1203969), (30871, 653055), (38415, 524807), (43537, 463065), (50235, 401323), (92613, 217685), (130611, 154355)]