15140625

素因数分解:

$3^1\times 5^6\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:69

約数の個数: 56

約数和(自身を含む): 28124640

約数和(自身を除く): 12984015

約数列:

[1, 3, 5, 15, 17, 19, 25, 51, 57, 75, 85, 95, 125, 255, 285, 323, 375, 425, 475, 625, 969, 1275, 1425, 1615, 1875, 2125, 2375, 3125, 4845, 6375, 7125, 8075, 9375, 10625, 11875, 15625, 24225, 31875, 35625, 40375, 46875, 53125, 59375, 121125, 159375, 178125, 201875, 265625, 296875, 605625, 796875, 890625, 1009375, 3028125, 5046875, 15140625]

約数ペア:

[(1, 15140625), (3, 5046875), (5, 3028125), (15, 1009375), (17, 890625), (19, 796875), (25, 605625), (51, 296875), (57, 265625), (75, 201875), (85, 178125), (95, 159375), (125, 121125), (255, 59375), (285, 53125), (323, 46875), (375, 40375), (425, 35625), (475, 31875), (625, 24225), (969, 15625), (1275, 11875), (1425, 10625), (1615, 9375), (1875, 8075), (2125, 7125), (2375, 6375), (3125, 4845)]