860848125

素因数分解:

$3^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:392

約数の個数: 80

約数和(自身を含む): 1538507520

約数和(自身を除く): 677659395

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 113, 125, 239, 255, 339, 375, 425, 565, 625, 717, 1195, 1275, 1695, 1875, 1921, 2125, 2825, 3585, 4063, 5763, 5975, 6375, 8475, 9605, 10625, 12189, 14125, 17925, 20315, 27007, 28815, 29875, 31875, 42375, 48025, 60945, 70625, 81021, 89625, 101575, 135035, 144075, 149375, 211875, 240125, 304725, 405105, 448125, 459119, 507875, 675175, 720375, 1200625, 1377357, 1523625, 2025525, 2295595, 2539375, 3375875, 3601875, 6886785, 7618125, 10127625, 11477975, 16879375, 34433925, 50638125, 57389875, 172169625, 286949375, 860848125]

約数ペア:

[(1, 860848125), (3, 286949375), (5, 172169625), (15, 57389875), (17, 50638125), (25, 34433925), (51, 16879375), (75, 11477975), (85, 10127625), (113, 7618125), (125, 6886785), (239, 3601875), (255, 3375875), (339, 2539375), (375, 2295595), (425, 2025525), (565, 1523625), (625, 1377357), (717, 1200625), (1195, 720375), (1275, 675175), (1695, 507875), (1875, 459119), (1921, 448125), (2125, 405105), (2825, 304725), (3585, 240125), (4063, 211875), (5763, 149375), (5975, 144075), (6375, 135035), (8475, 101575), (9605, 89625), (10625, 81021), (12189, 70625), (14125, 60945), (17925, 48025), (20315, 42375), (27007, 31875), (28815, 29875)]