1721248080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{991}}^1\times {\mathrm{7237}}^1$

素因数の和:8244

約数の個数: 80

約数和(自身を含む): 5341991424

約数和(自身を除く): 3620743344

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 991, 1982, 2973, 3964, 4955, 5946, 7237, 7928, 9910, 11892, 14474, 14865, 15856, 19820, 21711, 23784, 28948, 29730, 36185, 39640, 43422, 47568, 57896, 59460, 72370, 79280, 86844, 108555, 115792, 118920, 144740, 173688, 217110, 237840, 289480, 347376, 434220, 578960, 868440, 1736880, 7171867, 14343734, 21515601, 28687468, 35859335, 43031202, 57374936, 71718670, 86062404, 107578005, 114749872, 143437340, 172124808, 215156010, 286874680, 344249616, 430312020, 573749360, 860624040, 1721248080]

約数ペア:

[(1, 1721248080), (2, 860624040), (3, 573749360), (4, 430312020), (5, 344249616), (6, 286874680), (8, 215156010), (10, 172124808), (12, 143437340), (15, 114749872), (16, 107578005), (20, 86062404), (24, 71718670), (30, 57374936), (40, 43031202), (48, 35859335), (60, 28687468), (80, 21515601), (120, 14343734), (240, 7171867), (991, 1736880), (1982, 868440), (2973, 578960), (3964, 434220), (4955, 347376), (5946, 289480), (7237, 237840), (7928, 217110), (9910, 173688), (11892, 144740), (14474, 118920), (14865, 115792), (15856, 108555), (19820, 86844), (21711, 79280), (23784, 72370), (28948, 59460), (29730, 57896), (36185, 47568), (39640, 43422)]