245493585

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{523}}^1$

素因数の和:620

約数の個数: 80

約数和(自身を含む): 471725760

約数和(自身を除く): 226232175

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 61, 81, 95, 135, 171, 183, 285, 305, 405, 513, 523, 549, 855, 915, 1159, 1539, 1569, 1647, 2565, 2615, 2745, 3477, 4707, 4941, 5795, 7695, 7845, 8235, 9937, 10431, 14121, 17385, 23535, 24705, 29811, 31293, 31903, 42363, 49685, 52155, 70605, 89433, 93879, 95709, 149055, 156465, 159515, 211815, 268299, 287127, 447165, 469395, 478545, 606157, 804897, 861381, 1341495, 1435635, 1818471, 2584143, 3030785, 4024485, 4306905, 5455413, 9092355, 12920715, 16366239, 27277065, 49098717, 81831195, 245493585]

約数ペア:

[(1, 245493585), (3, 81831195), (5, 49098717), (9, 27277065), (15, 16366239), (19, 12920715), (27, 9092355), (45, 5455413), (57, 4306905), (61, 4024485), (81, 3030785), (95, 2584143), (135, 1818471), (171, 1435635), (183, 1341495), (285, 861381), (305, 804897), (405, 606157), (513, 478545), (523, 469395), (549, 447165), (855, 287127), (915, 268299), (1159, 211815), (1539, 159515), (1569, 156465), (1647, 149055), (2565, 95709), (2615, 93879), (2745, 89433), (3477, 70605), (4707, 52155), (4941, 49685), (5795, 42363), (7695, 31903), (7845, 31293), (8235, 29811), (9937, 24705), (10431, 23535), (14121, 17385)]