1891567160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{2503}}^1\times {\mathrm{2699}}^1$

素因数の和:5220

約数の個数: 64

約数和(自身を含む): 4867776000

約数和(自身を除く): 2976208840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 2503, 2699, 5006, 5398, 10012, 10796, 12515, 13495, 17521, 18893, 20024, 21592, 25030, 26990, 35042, 37786, 50060, 53980, 70084, 75572, 87605, 94465, 100120, 107960, 140168, 151144, 175210, 188930, 350420, 377860, 700840, 755720, 6755597, 13511194, 27022388, 33777985, 47289179, 54044776, 67555970, 94578358, 135111940, 189156716, 236445895, 270223880, 378313432, 472891790, 945783580, 1891567160]

約数ペア:

[(1, 1891567160), (2, 945783580), (4, 472891790), (5, 378313432), (7, 270223880), (8, 236445895), (10, 189156716), (14, 135111940), (20, 94578358), (28, 67555970), (35, 54044776), (40, 47289179), (56, 33777985), (70, 27022388), (140, 13511194), (280, 6755597), (2503, 755720), (2699, 700840), (5006, 377860), (5398, 350420), (10012, 188930), (10796, 175210), (12515, 151144), (13495, 140168), (17521, 107960), (18893, 100120), (20024, 94465), (21592, 87605), (25030, 75572), (26990, 70084), (35042, 53980), (37786, 50060)]