408045840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{1319}}^1$

素因数の和:2624

約数の個数: 80

約数和(自身を含む): 1266883200

約数和(自身を除く): 858837360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1289, 1319, 2578, 2638, 3867, 3957, 5156, 5276, 6445, 6595, 7734, 7914, 10312, 10552, 12890, 13190, 15468, 15828, 19335, 19785, 20624, 21104, 25780, 26380, 30936, 31656, 38670, 39570, 51560, 52760, 61872, 63312, 77340, 79140, 103120, 105520, 154680, 158280, 309360, 316560, 1700191, 3400382, 5100573, 6800764, 8500955, 10201146, 13601528, 17001910, 20402292, 25502865, 27203056, 34003820, 40804584, 51005730, 68007640, 81609168, 102011460, 136015280, 204022920, 408045840]

約数ペア:

[(1, 408045840), (2, 204022920), (3, 136015280), (4, 102011460), (5, 81609168), (6, 68007640), (8, 51005730), (10, 40804584), (12, 34003820), (15, 27203056), (16, 25502865), (20, 20402292), (24, 17001910), (30, 13601528), (40, 10201146), (48, 8500955), (60, 6800764), (80, 5100573), (120, 3400382), (240, 1700191), (1289, 316560), (1319, 309360), (2578, 158280), (2638, 154680), (3867, 105520), (3957, 103120), (5156, 79140), (5276, 77340), (6445, 63312), (6595, 61872), (7734, 52760), (7914, 51560), (10312, 39570), (10552, 38670), (12890, 31656), (13190, 30936), (15468, 26380), (15828, 25780), (19335, 21104), (19785, 20624)]