207619920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{288361}}^1$

素因数の和:288380

約数の個数: 60

約数和(自身を含む): 697259316

約数和(自身を除く): 489639396

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 288361, 576722, 865083, 1153444, 1441805, 1730166, 2306888, 2595249, 2883610, 3460332, 4325415, 4613776, 5190498, 5767220, 6920664, 8650830, 10380996, 11534440, 12976245, 13841328, 17301660, 20761992, 23068880, 25952490, 34603320, 41523984, 51904980, 69206640, 103809960, 207619920]

約数ペア:

[(1, 207619920), (2, 103809960), (3, 69206640), (4, 51904980), (5, 41523984), (6, 34603320), (8, 25952490), (9, 23068880), (10, 20761992), (12, 17301660), (15, 13841328), (16, 12976245), (18, 11534440), (20, 10380996), (24, 8650830), (30, 6920664), (36, 5767220), (40, 5190498), (45, 4613776), (48, 4325415), (60, 3460332), (72, 2883610), (80, 2595249), (90, 2306888), (120, 1730166), (144, 1441805), (180, 1153444), (240, 865083), (360, 576722), (720, 288361)]