319914560

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{569}}^1$

素因数の和:844

約数の個数: 112

約数和(自身を含む): 875629440

約数和(自身を除く): 555714880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 251, 280, 320, 448, 502, 560, 569, 1004, 1120, 1138, 1255, 1757, 2008, 2240, 2276, 2510, 2845, 3514, 3983, 4016, 4552, 5020, 5690, 7028, 7966, 8032, 8785, 9104, 10040, 11380, 14056, 15932, 16064, 17570, 18208, 19915, 20080, 22760, 28112, 31864, 35140, 36416, 39830, 40160, 45520, 56224, 63728, 70280, 79660, 80320, 91040, 112448, 127456, 140560, 142819, 159320, 182080, 254912, 281120, 285638, 318640, 562240, 571276, 637280, 714095, 999733, 1142552, 1274560, 1428190, 1999466, 2285104, 2856380, 3998932, 4570208, 4998665, 5712760, 7997864, 9140416, 9997330, 11425520, 15995728, 19994660, 22851040, 31991456, 39989320, 45702080, 63982912, 79978640, 159957280, 319914560]

約数ペア:

[(1, 319914560), (2, 159957280), (4, 79978640), (5, 63982912), (7, 45702080), (8, 39989320), (10, 31991456), (14, 22851040), (16, 19994660), (20, 15995728), (28, 11425520), (32, 9997330), (35, 9140416), (40, 7997864), (56, 5712760), (64, 4998665), (70, 4570208), (80, 3998932), (112, 2856380), (140, 2285104), (160, 1999466), (224, 1428190), (251, 1274560), (280, 1142552), (320, 999733), (448, 714095), (502, 637280), (560, 571276), (569, 562240), (1004, 318640), (1120, 285638), (1138, 281120), (1255, 254912), (1757, 182080), (2008, 159320), (2240, 142819), (2276, 140560), (2510, 127456), (2845, 112448), (3514, 91040), (3983, 80320), (4016, 79660), (4552, 70280), (5020, 63728), (5690, 56224), (7028, 45520), (7966, 40160), (8032, 39830), (8785, 36416), (9104, 35140), (10040, 31864), (11380, 28112), (14056, 22760), (15932, 20080), (16064, 19915), (17570, 18208)]