260068125

素因数分解:

$3^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:280

約数の個数: 80

約数和(自身を含む): 472348800

約数和(自身を除く): 212280675

約数列:

[1, 3, 5, 15, 17, 25, 41, 51, 75, 85, 123, 125, 199, 205, 255, 375, 425, 597, 615, 625, 697, 995, 1025, 1275, 1875, 2091, 2125, 2985, 3075, 3383, 3485, 4975, 5125, 6375, 8159, 10149, 10455, 10625, 14925, 15375, 16915, 17425, 24477, 24875, 25625, 31875, 40795, 50745, 52275, 74625, 76875, 84575, 87125, 122385, 124375, 138703, 203975, 253725, 261375, 373125, 416109, 422875, 435625, 611925, 693515, 1019875, 1268625, 1306875, 2080545, 2114375, 3059625, 3467575, 5099375, 6343125, 10402725, 15298125, 17337875, 52013625, 86689375, 260068125]

約数ペア:

[(1, 260068125), (3, 86689375), (5, 52013625), (15, 17337875), (17, 15298125), (25, 10402725), (41, 6343125), (51, 5099375), (75, 3467575), (85, 3059625), (123, 2114375), (125, 2080545), (199, 1306875), (205, 1268625), (255, 1019875), (375, 693515), (425, 611925), (597, 435625), (615, 422875), (625, 416109), (697, 373125), (995, 261375), (1025, 253725), (1275, 203975), (1875, 138703), (2091, 124375), (2125, 122385), (2985, 87125), (3075, 84575), (3383, 76875), (3485, 74625), (4975, 52275), (5125, 50745), (6375, 40795), (8159, 31875), (10149, 25625), (10455, 24875), (10625, 24477), (14925, 17425), (15375, 16915)]