310048125

素因数分解:

$3^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:248

約数の個数: 80

約数和(自身を含む): 558721152

約数和(自身を除く): 248673027

約数列:

[1, 3, 5, 15, 17, 25, 51, 71, 75, 85, 125, 137, 213, 255, 355, 375, 411, 425, 625, 685, 1065, 1207, 1275, 1775, 1875, 2055, 2125, 2329, 3425, 3621, 5325, 6035, 6375, 6987, 8875, 9727, 10275, 10625, 11645, 17125, 18105, 26625, 29181, 30175, 31875, 34935, 44375, 48635, 51375, 58225, 85625, 90525, 133125, 145905, 150875, 165359, 174675, 243175, 256875, 291125, 452625, 496077, 729525, 754375, 826795, 873375, 1215875, 1455625, 2263125, 2480385, 3647625, 4133975, 4366875, 6079375, 12401925, 18238125, 20669875, 62009625, 103349375, 310048125]

約数ペア:

[(1, 310048125), (3, 103349375), (5, 62009625), (15, 20669875), (17, 18238125), (25, 12401925), (51, 6079375), (71, 4366875), (75, 4133975), (85, 3647625), (125, 2480385), (137, 2263125), (213, 1455625), (255, 1215875), (355, 873375), (375, 826795), (411, 754375), (425, 729525), (625, 496077), (685, 452625), (1065, 291125), (1207, 256875), (1275, 243175), (1775, 174675), (1875, 165359), (2055, 150875), (2125, 145905), (2329, 133125), (3425, 90525), (3621, 85625), (5325, 58225), (6035, 51375), (6375, 48635), (6987, 44375), (8875, 34935), (9727, 31875), (10275, 30175), (10625, 29181), (11645, 26625), (17125, 18105)]