80495775

素因数分解:

$3^4\times 5^2\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:462

約数の個数: 60

約数和(自身を含む): 150760192

約数和(自身を除く): 70264417

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 127, 135, 225, 313, 381, 405, 635, 675, 939, 1143, 1565, 1905, 2025, 2817, 3175, 3429, 4695, 5715, 7825, 8451, 9525, 10287, 14085, 17145, 23475, 25353, 28575, 39751, 42255, 51435, 70425, 85725, 119253, 126765, 198755, 211275, 257175, 357759, 596265, 633825, 993775, 1073277, 1788795, 2981325, 3219831, 5366385, 8943975, 16099155, 26831925, 80495775]

約数ペア:

[(1, 80495775), (3, 26831925), (5, 16099155), (9, 8943975), (15, 5366385), (25, 3219831), (27, 2981325), (45, 1788795), (75, 1073277), (81, 993775), (127, 633825), (135, 596265), (225, 357759), (313, 257175), (381, 211275), (405, 198755), (635, 126765), (675, 119253), (939, 85725), (1143, 70425), (1565, 51435), (1905, 42255), (2025, 39751), (2817, 28575), (3175, 25353), (3429, 23475), (4695, 17145), (5715, 14085), (7825, 10287), (8451, 9525)]