15559920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{21611}}^1$

素因数の和:21630

約数の個数: 60

約数和(自身を含む): 52257816

約数和(自身を除く): 36697896

約数列:

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

約数ペア:

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