209220720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1747}}^1$

素因数の和:2262

約数の個数: 80

約数和(自身を含む): 650256000

約数和(自身を除く): 441035280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 499, 998, 1497, 1747, 1996, 2495, 2994, 3494, 3992, 4990, 5241, 5988, 6988, 7485, 7984, 8735, 9980, 10482, 11976, 13976, 14970, 17470, 19960, 20964, 23952, 26205, 27952, 29940, 34940, 39920, 41928, 52410, 59880, 69880, 83856, 104820, 119760, 139760, 209640, 419280, 871753, 1743506, 2615259, 3487012, 4358765, 5230518, 6974024, 8717530, 10461036, 13076295, 13948048, 17435060, 20922072, 26152590, 34870120, 41844144, 52305180, 69740240, 104610360, 209220720]

約数ペア:

[(1, 209220720), (2, 104610360), (3, 69740240), (4, 52305180), (5, 41844144), (6, 34870120), (8, 26152590), (10, 20922072), (12, 17435060), (15, 13948048), (16, 13076295), (20, 10461036), (24, 8717530), (30, 6974024), (40, 5230518), (48, 4358765), (60, 3487012), (80, 2615259), (120, 1743506), (240, 871753), (499, 419280), (998, 209640), (1497, 139760), (1747, 119760), (1996, 104820), (2495, 83856), (2994, 69880), (3494, 59880), (3992, 52410), (4990, 41928), (5241, 39920), (5988, 34940), (6988, 29940), (7485, 27952), (7984, 26205), (8735, 23952), (9980, 20964), (10482, 19960), (11976, 17470), (13976, 14970)]