209715120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{291271}}^1$

素因数の和:291290

約数の個数: 60

約数和(自身を含む): 704295696

約数和(自身を除く): 494580576

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, 291271, 582542, 873813, 1165084, 1456355, 1747626, 2330168, 2621439, 2912710, 3495252, 4369065, 4660336, 5242878, 5825420, 6990504, 8738130, 10485756, 11650840, 13107195, 13981008, 17476260, 20971512, 23301680, 26214390, 34952520, 41943024, 52428780, 69905040, 104857560, 209715120]

約数ペア:

[(1, 209715120), (2, 104857560), (3, 69905040), (4, 52428780), (5, 41943024), (6, 34952520), (8, 26214390), (9, 23301680), (10, 20971512), (12, 17476260), (15, 13981008), (16, 13107195), (18, 11650840), (20, 10485756), (24, 8738130), (30, 6990504), (36, 5825420), (40, 5242878), (45, 4660336), (48, 4369065), (60, 3495252), (72, 2912710), (80, 2621439), (90, 2330168), (120, 1747626), (144, 1456355), (180, 1165084), (240, 873813), (360, 582542), (720, 291271)]