1650939920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{6451}}^1$

素因数の和:6928

約数の個数: 80

約数和(自身を含む): 4397063808

約数和(自身を除く): 2746123888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 457, 560, 914, 1828, 2285, 3199, 3656, 4570, 6398, 6451, 7312, 9140, 12796, 12902, 15995, 18280, 25592, 25804, 31990, 32255, 36560, 45157, 51184, 51608, 63980, 64510, 90314, 103216, 127960, 129020, 180628, 225785, 255920, 258040, 361256, 451570, 516080, 722512, 903140, 1806280, 2948107, 3612560, 5896214, 11792428, 14740535, 20636749, 23584856, 29481070, 41273498, 47169712, 58962140, 82546996, 103183745, 117924280, 165093992, 206367490, 235848560, 330187984, 412734980, 825469960, 1650939920]

約数ペア:

[(1, 1650939920), (2, 825469960), (4, 412734980), (5, 330187984), (7, 235848560), (8, 206367490), (10, 165093992), (14, 117924280), (16, 103183745), (20, 82546996), (28, 58962140), (35, 47169712), (40, 41273498), (56, 29481070), (70, 23584856), (80, 20636749), (112, 14740535), (140, 11792428), (280, 5896214), (457, 3612560), (560, 2948107), (914, 1806280), (1828, 903140), (2285, 722512), (3199, 516080), (3656, 451570), (4570, 361256), (6398, 258040), (6451, 255920), (7312, 225785), (9140, 180628), (12796, 129020), (12902, 127960), (15995, 103216), (18280, 90314), (25592, 64510), (25804, 63980), (31990, 51608), (32255, 51184), (36560, 45157)]