28712520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{79757}}^1$

素因数の和:79774

約数の個数: 48

約数和(自身を含む): 93316860

約数和(自身を除く): 64604340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 79757, 159514, 239271, 319028, 398785, 478542, 638056, 717813, 797570, 957084, 1196355, 1435626, 1595140, 1914168, 2392710, 2871252, 3190280, 3589065, 4785420, 5742504, 7178130, 9570840, 14356260, 28712520]

約数ペア:

[(1, 28712520), (2, 14356260), (3, 9570840), (4, 7178130), (5, 5742504), (6, 4785420), (8, 3589065), (9, 3190280), (10, 2871252), (12, 2392710), (15, 1914168), (18, 1595140), (20, 1435626), (24, 1196355), (30, 957084), (36, 797570), (40, 717813), (45, 638056), (60, 478542), (72, 398785), (90, 319028), (120, 239271), (180, 159514), (360, 79757)]