10780125

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:143

約数の個数: 64

約数和(自身を含む): 20217600

約数和(自身を除く): 9437475

約数列:

[1, 3, 5, 15, 17, 19, 25, 51, 57, 75, 85, 89, 95, 125, 255, 267, 285, 323, 375, 425, 445, 475, 969, 1275, 1335, 1425, 1513, 1615, 1691, 2125, 2225, 2375, 4539, 4845, 5073, 6375, 6675, 7125, 7565, 8075, 8455, 11125, 22695, 24225, 25365, 28747, 33375, 37825, 40375, 42275, 86241, 113475, 121125, 126825, 143735, 189125, 211375, 431205, 567375, 634125, 718675, 2156025, 3593375, 10780125]

約数ペア:

[(1, 10780125), (3, 3593375), (5, 2156025), (15, 718675), (17, 634125), (19, 567375), (25, 431205), (51, 211375), (57, 189125), (75, 143735), (85, 126825), (89, 121125), (95, 113475), (125, 86241), (255, 42275), (267, 40375), (285, 37825), (323, 33375), (375, 28747), (425, 25365), (445, 24225), (475, 22695), (969, 11125), (1275, 8455), (1335, 8075), (1425, 7565), (1513, 7125), (1615, 6675), (1691, 6375), (2125, 5073), (2225, 4845), (2375, 4539)]