15720075

素因数分解:

$3^4\times 5^2\times 7^1\times {\mathrm{1109}}^1$

素因数の和:1138

約数の個数: 60

約数和(自身を含む): 33308880

約数和(自身を除く): 17588805

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 81, 105, 135, 175, 189, 225, 315, 405, 525, 567, 675, 945, 1109, 1575, 2025, 2835, 3327, 4725, 5545, 7763, 9981, 14175, 16635, 23289, 27725, 29943, 38815, 49905, 69867, 83175, 89829, 116445, 149715, 194075, 209601, 249525, 349335, 449145, 582225, 628803, 748575, 1048005, 1746675, 2245725, 3144015, 5240025, 15720075]

約数ペア:

[(1, 15720075), (3, 5240025), (5, 3144015), (7, 2245725), (9, 1746675), (15, 1048005), (21, 748575), (25, 628803), (27, 582225), (35, 449145), (45, 349335), (63, 249525), (75, 209601), (81, 194075), (105, 149715), (135, 116445), (175, 89829), (189, 83175), (225, 69867), (315, 49905), (405, 38815), (525, 29943), (567, 27725), (675, 23289), (945, 16635), (1109, 14175), (1575, 9981), (2025, 7763), (2835, 5545), (3327, 4725)]