71017680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{593}}^1$

素因数の和:1108

約数の個数: 80

約数和(自身を含む): 220968000

約数和(自身を除く): 149950320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 499, 593, 998, 1186, 1497, 1779, 1996, 2372, 2495, 2965, 2994, 3558, 3992, 4744, 4990, 5930, 5988, 7116, 7485, 7984, 8895, 9488, 9980, 11860, 11976, 14232, 14970, 17790, 19960, 23720, 23952, 28464, 29940, 35580, 39920, 47440, 59880, 71160, 119760, 142320, 295907, 591814, 887721, 1183628, 1479535, 1775442, 2367256, 2959070, 3550884, 4438605, 4734512, 5918140, 7101768, 8877210, 11836280, 14203536, 17754420, 23672560, 35508840, 71017680]

約数ペア:

[(1, 71017680), (2, 35508840), (3, 23672560), (4, 17754420), (5, 14203536), (6, 11836280), (8, 8877210), (10, 7101768), (12, 5918140), (15, 4734512), (16, 4438605), (20, 3550884), (24, 2959070), (30, 2367256), (40, 1775442), (48, 1479535), (60, 1183628), (80, 887721), (120, 591814), (240, 295907), (499, 142320), (593, 119760), (998, 71160), (1186, 59880), (1497, 47440), (1779, 39920), (1996, 35580), (2372, 29940), (2495, 28464), (2965, 23952), (2994, 23720), (3558, 19960), (3992, 17790), (4744, 14970), (4990, 14232), (5930, 11976), (5988, 11860), (7116, 9980), (7485, 9488), (7984, 8895)]