81791250

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{1283}}^1$

素因数の和:1325

約数の個数: 80

約数和(自身を含む): 216605664

約数和(自身を除く): 134814414

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 30, 34, 50, 51, 75, 85, 102, 125, 150, 170, 250, 255, 375, 425, 510, 625, 750, 850, 1250, 1275, 1283, 1875, 2125, 2550, 2566, 3750, 3849, 4250, 6375, 6415, 7698, 10625, 12750, 12830, 19245, 21250, 21811, 31875, 32075, 38490, 43622, 63750, 64150, 65433, 96225, 109055, 130866, 160375, 192450, 218110, 320750, 327165, 481125, 545275, 654330, 801875, 962250, 1090550, 1603750, 1635825, 2405625, 2726375, 3271650, 4811250, 5452750, 8179125, 13631875, 16358250, 27263750, 40895625, 81791250]

約数ペア:

[(1, 81791250), (2, 40895625), (3, 27263750), (5, 16358250), (6, 13631875), (10, 8179125), (15, 5452750), (17, 4811250), (25, 3271650), (30, 2726375), (34, 2405625), (50, 1635825), (51, 1603750), (75, 1090550), (85, 962250), (102, 801875), (125, 654330), (150, 545275), (170, 481125), (250, 327165), (255, 320750), (375, 218110), (425, 192450), (510, 160375), (625, 130866), (750, 109055), (850, 96225), (1250, 65433), (1275, 64150), (1283, 63750), (1875, 43622), (2125, 38490), (2550, 32075), (2566, 31875), (3750, 21811), (3849, 21250), (4250, 19245), (6375, 12830), (6415, 12750), (7698, 10625)]