28765530

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2089}}^1$

素因数の和:2125

約数の個数: 80

約数和(自身を含む): 81936360

約数和(自身を除く): 53170830

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 54, 81, 85, 90, 102, 135, 153, 162, 170, 255, 270, 306, 405, 459, 510, 765, 810, 918, 1377, 1530, 2089, 2295, 2754, 4178, 4590, 6267, 6885, 10445, 12534, 13770, 18801, 20890, 31335, 35513, 37602, 56403, 62670, 71026, 94005, 106539, 112806, 169209, 177565, 188010, 213078, 282015, 319617, 338418, 355130, 532695, 564030, 639234, 846045, 958851, 1065390, 1598085, 1692090, 1917702, 2876553, 3196170, 4794255, 5753106, 9588510, 14382765, 28765530]

約数ペア:

[(1, 28765530), (2, 14382765), (3, 9588510), (5, 5753106), (6, 4794255), (9, 3196170), (10, 2876553), (15, 1917702), (17, 1692090), (18, 1598085), (27, 1065390), (30, 958851), (34, 846045), (45, 639234), (51, 564030), (54, 532695), (81, 355130), (85, 338418), (90, 319617), (102, 282015), (135, 213078), (153, 188010), (162, 177565), (170, 169209), (255, 112806), (270, 106539), (306, 94005), (405, 71026), (459, 62670), (510, 56403), (765, 37602), (810, 35513), (918, 31335), (1377, 20890), (1530, 18801), (2089, 13770), (2295, 12534), (2754, 10445), (4178, 6885), (4590, 6267)]