1269807280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{727}}^1\times {\mathrm{3119}}^1$

素因数の和:3866

約数の個数: 80

約数和(自身を含む): 3379783680

約数和(自身を除く): 2109976400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 727, 1454, 2908, 3119, 3635, 5089, 5816, 6238, 7270, 10178, 11632, 12476, 14540, 15595, 20356, 21833, 24952, 25445, 29080, 31190, 40712, 43666, 49904, 50890, 58160, 62380, 81424, 87332, 101780, 109165, 124760, 174664, 203560, 218330, 249520, 349328, 407120, 436660, 873320, 1746640, 2267513, 4535026, 9070052, 11337565, 15872591, 18140104, 22675130, 31745182, 36280208, 45350260, 63490364, 79362955, 90700520, 126980728, 158725910, 181401040, 253961456, 317451820, 634903640, 1269807280]

約数ペア:

[(1, 1269807280), (2, 634903640), (4, 317451820), (5, 253961456), (7, 181401040), (8, 158725910), (10, 126980728), (14, 90700520), (16, 79362955), (20, 63490364), (28, 45350260), (35, 36280208), (40, 31745182), (56, 22675130), (70, 18140104), (80, 15872591), (112, 11337565), (140, 9070052), (280, 4535026), (560, 2267513), (727, 1746640), (1454, 873320), (2908, 436660), (3119, 407120), (3635, 349328), (5089, 249520), (5816, 218330), (6238, 203560), (7270, 174664), (10178, 124760), (11632, 109165), (12476, 101780), (14540, 87332), (15595, 81424), (20356, 62380), (21833, 58160), (24952, 50890), (25445, 49904), (29080, 43666), (31190, 40712)]