212747880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1789}}^1$

素因数の和:2794

約数の個数: 64

約数和(自身を含む): 639244800

約数和(自身を除く): 426496920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 991, 1789, 1982, 2973, 3578, 3964, 4955, 5367, 5946, 7156, 7928, 8945, 9910, 10734, 11892, 14312, 14865, 17890, 19820, 21468, 23784, 26835, 29730, 35780, 39640, 42936, 53670, 59460, 71560, 107340, 118920, 214680, 1772899, 3545798, 5318697, 7091596, 8864495, 10637394, 14183192, 17728990, 21274788, 26593485, 35457980, 42549576, 53186970, 70915960, 106373940, 212747880]

約数ペア:

[(1, 212747880), (2, 106373940), (3, 70915960), (4, 53186970), (5, 42549576), (6, 35457980), (8, 26593485), (10, 21274788), (12, 17728990), (15, 14183192), (20, 10637394), (24, 8864495), (30, 7091596), (40, 5318697), (60, 3545798), (120, 1772899), (991, 214680), (1789, 118920), (1982, 107340), (2973, 71560), (3578, 59460), (3964, 53670), (4955, 42936), (5367, 39640), (5946, 35780), (7156, 29730), (7928, 26835), (8945, 23784), (9910, 21468), (10734, 19820), (11892, 17890), (14312, 14865)]