61306280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{587}}^1$

素因数の和:978

約数の個数: 64

約数和(自身を含む): 158336640

約数和(自身を除く): 97030360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 373, 587, 746, 1174, 1492, 1865, 2348, 2611, 2935, 2984, 3730, 4109, 4696, 5222, 5870, 7460, 8218, 10444, 11740, 13055, 14920, 16436, 20545, 20888, 23480, 26110, 32872, 41090, 52220, 82180, 104440, 164360, 218951, 437902, 875804, 1094755, 1532657, 1751608, 2189510, 3065314, 4379020, 6130628, 7663285, 8758040, 12261256, 15326570, 30653140, 61306280]

約数ペア:

[(1, 61306280), (2, 30653140), (4, 15326570), (5, 12261256), (7, 8758040), (8, 7663285), (10, 6130628), (14, 4379020), (20, 3065314), (28, 2189510), (35, 1751608), (40, 1532657), (56, 1094755), (70, 875804), (140, 437902), (280, 218951), (373, 164360), (587, 104440), (746, 82180), (1174, 52220), (1492, 41090), (1865, 32872), (2348, 26110), (2611, 23480), (2935, 20888), (2984, 20545), (3730, 16436), (4109, 14920), (4696, 13055), (5222, 11740), (5870, 10444), (7460, 8218)]