78910515

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:197

約数の個数: 96

約数和(自身を含む): 156686400

約数和(自身を除く): 77775885

約数列:

[1, 3, 5, 9, 15, 17, 19, 45, 51, 57, 61, 85, 89, 95, 153, 171, 183, 255, 267, 285, 305, 323, 445, 549, 765, 801, 855, 915, 969, 1037, 1159, 1335, 1513, 1615, 1691, 2745, 2907, 3111, 3477, 4005, 4539, 4845, 5073, 5185, 5429, 5795, 7565, 8455, 9333, 10431, 13617, 14535, 15219, 15555, 16287, 17385, 19703, 22695, 25365, 27145, 28747, 46665, 48861, 52155, 59109, 68085, 76095, 81435, 86241, 92293, 98515, 103151, 143735, 177327, 244305, 258723, 276879, 295545, 309453, 431205, 461465, 515755, 830637, 886635, 928359, 1293615, 1384395, 1547265, 1753567, 4153185, 4641795, 5260701, 8767835, 15782103, 26303505, 78910515]

約数ペア:

[(1, 78910515), (3, 26303505), (5, 15782103), (9, 8767835), (15, 5260701), (17, 4641795), (19, 4153185), (45, 1753567), (51, 1547265), (57, 1384395), (61, 1293615), (85, 928359), (89, 886635), (95, 830637), (153, 515755), (171, 461465), (183, 431205), (255, 309453), (267, 295545), (285, 276879), (305, 258723), (323, 244305), (445, 177327), (549, 143735), (765, 103151), (801, 98515), (855, 92293), (915, 86241), (969, 81435), (1037, 76095), (1159, 68085), (1335, 59109), (1513, 52155), (1615, 48861), (1691, 46665), (2745, 28747), (2907, 27145), (3111, 25365), (3477, 22695), (4005, 19703), (4539, 17385), (4845, 16287), (5073, 15555), (5185, 15219), (5429, 14535), (5795, 13617), (7565, 10431), (8455, 9333)]