31119840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{21611}}^1$

素因数の和:21632

約数の個数: 72

約数和(自身を含む): 106201368

約数和(自身を除く): 75081528

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 21611, 43222, 64833, 86444, 108055, 129666, 172888, 194499, 216110, 259332, 324165, 345776, 388998, 432220, 518664, 648330, 691552, 777996, 864440, 972495, 1037328, 1296660, 1555992, 1728880, 1944990, 2074656, 2593320, 3111984, 3457760, 3889980, 5186640, 6223968, 7779960, 10373280, 15559920, 31119840]

約数ペア:

[(1, 31119840), (2, 15559920), (3, 10373280), (4, 7779960), (5, 6223968), (6, 5186640), (8, 3889980), (9, 3457760), (10, 3111984), (12, 2593320), (15, 2074656), (16, 1944990), (18, 1728880), (20, 1555992), (24, 1296660), (30, 1037328), (32, 972495), (36, 864440), (40, 777996), (45, 691552), (48, 648330), (60, 518664), (72, 432220), (80, 388998), (90, 345776), (96, 324165), (120, 259332), (144, 216110), (160, 194499), (180, 172888), (240, 129666), (288, 108055), (360, 86444), (480, 64833), (720, 43222), (1440, 21611)]