289120160

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{258143}}^1$

素因数の和:258165

約数の個数: 48

約数和(自身を含む): 780627456

約数和(自身を除く): 491507296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 258143, 516286, 1032572, 1290715, 1807001, 2065144, 2581430, 3614002, 4130288, 5162860, 7228004, 8260576, 9035005, 10325720, 14456008, 18070010, 20651440, 28912016, 36140020, 41302880, 57824032, 72280040, 144560080, 289120160]

約数ペア:

[(1, 289120160), (2, 144560080), (4, 72280040), (5, 57824032), (7, 41302880), (8, 36140020), (10, 28912016), (14, 20651440), (16, 18070010), (20, 14456008), (28, 10325720), (32, 9035005), (35, 8260576), (40, 7228004), (56, 5162860), (70, 4130288), (80, 3614002), (112, 2581430), (140, 2065144), (160, 1807001), (224, 1290715), (280, 1032572), (560, 516286), (1120, 258143)]