61800720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{257503}}^1$

素因数の和:257519

約数の個数: 40

約数和(自身を含む): 191582976

約数和(自身を除く): 129782256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 257503, 515006, 772509, 1030012, 1287515, 1545018, 2060024, 2575030, 3090036, 3862545, 4120048, 5150060, 6180072, 7725090, 10300120, 12360144, 15450180, 20600240, 30900360, 61800720]

約数ペア:

[(1, 61800720), (2, 30900360), (3, 20600240), (4, 15450180), (5, 12360144), (6, 10300120), (8, 7725090), (10, 6180072), (12, 5150060), (15, 4120048), (16, 3862545), (20, 3090036), (24, 2575030), (30, 2060024), (40, 1545018), (48, 1287515), (60, 1030012), (80, 772509), (120, 515006), (240, 257503)]