289395120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{172259}}^1$

素因数の和:172282

約数の個数: 80

約数和(自身を含む): 1025291520

約数和(自身を除く): 735896400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 172259, 344518, 516777, 689036, 861295, 1033554, 1205813, 1378072, 1722590, 2067108, 2411626, 2583885, 2756144, 3445180, 3617439, 4134216, 4823252, 5167770, 6029065, 6890360, 7234878, 8268432, 9646504, 10335540, 12058130, 13780720, 14469756, 18087195, 19293008, 20671080, 24116260, 28939512, 36174390, 41342160, 48232520, 57879024, 72348780, 96465040, 144697560, 289395120]

約数ペア:

[(1, 289395120), (2, 144697560), (3, 96465040), (4, 72348780), (5, 57879024), (6, 48232520), (7, 41342160), (8, 36174390), (10, 28939512), (12, 24116260), (14, 20671080), (15, 19293008), (16, 18087195), (20, 14469756), (21, 13780720), (24, 12058130), (28, 10335540), (30, 9646504), (35, 8268432), (40, 7234878), (42, 6890360), (48, 6029065), (56, 5167770), (60, 4823252), (70, 4134216), (80, 3617439), (84, 3445180), (105, 2756144), (112, 2583885), (120, 2411626), (140, 2067108), (168, 1722590), (210, 1378072), (240, 1205813), (280, 1033554), (336, 861295), (420, 689036), (560, 516777), (840, 344518), (1680, 172259)]