25727220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{15881}}^1$

素因数の和:15902

約数の個数: 60

約数和(自身を含む): 80712324

約数和(自身を除く): 54985104

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 15881, 31762, 47643, 63524, 79405, 95286, 142929, 158810, 190572, 238215, 285858, 317620, 428787, 476430, 571716, 714645, 857574, 952860, 1286361, 1429290, 1715148, 2143935, 2572722, 2858580, 4287870, 5145444, 6431805, 8575740, 12863610, 25727220]

約数ペア:

[(1, 25727220), (2, 12863610), (3, 8575740), (4, 6431805), (5, 5145444), (6, 4287870), (9, 2858580), (10, 2572722), (12, 2143935), (15, 1715148), (18, 1429290), (20, 1286361), (27, 952860), (30, 857574), (36, 714645), (45, 571716), (54, 476430), (60, 428787), (81, 317620), (90, 285858), (108, 238215), (135, 190572), (162, 158810), (180, 142929), (270, 95286), (324, 79405), (405, 63524), (540, 47643), (810, 31762), (1620, 15881)]