28295730

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:393

約数の個数: 80

約数和(自身を含む): 76900824

約数和(自身を除く): 48605094

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 181, 193, 270, 362, 386, 405, 543, 579, 810, 905, 965, 1086, 1158, 1629, 1737, 1810, 1930, 2715, 2895, 3258, 3474, 4887, 5211, 5430, 5790, 8145, 8685, 9774, 10422, 14661, 15633, 16290, 17370, 24435, 26055, 29322, 31266, 34933, 48870, 52110, 69866, 73305, 78165, 104799, 146610, 156330, 174665, 209598, 314397, 349330, 523995, 628794, 943191, 1047990, 1571985, 1886382, 2829573, 3143970, 4715955, 5659146, 9431910, 14147865, 28295730]

約数ペア:

[(1, 28295730), (2, 14147865), (3, 9431910), (5, 5659146), (6, 4715955), (9, 3143970), (10, 2829573), (15, 1886382), (18, 1571985), (27, 1047990), (30, 943191), (45, 628794), (54, 523995), (81, 349330), (90, 314397), (135, 209598), (162, 174665), (181, 156330), (193, 146610), (270, 104799), (362, 78165), (386, 73305), (405, 69866), (543, 52110), (579, 48870), (810, 34933), (905, 31266), (965, 29322), (1086, 26055), (1158, 24435), (1629, 17370), (1737, 16290), (1810, 15633), (1930, 14661), (2715, 10422), (2895, 9774), (3258, 8685), (3474, 8145), (4887, 5790), (5211, 5430)]