1990658160

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{921601}}^1$

素因数の和:921623

約数の個数: 80

約数和(自身を含む): 6856718880

約数和(自身を除く): 4866060720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 921601, 1843202, 2764803, 3686404, 4608005, 5529606, 7372808, 8294409, 9216010, 11059212, 13824015, 14745616, 16588818, 18432020, 22118424, 24883227, 27648030, 33177636, 36864040, 41472045, 44236848, 49766454, 55296060, 66355272, 73728080, 82944090, 99532908, 110592120, 124416135, 132710544, 165888180, 199065816, 221184240, 248832270, 331776360, 398131632, 497664540, 663552720, 995329080, 1990658160]

約数ペア:

[(1, 1990658160), (2, 995329080), (3, 663552720), (4, 497664540), (5, 398131632), (6, 331776360), (8, 248832270), (9, 221184240), (10, 199065816), (12, 165888180), (15, 132710544), (16, 124416135), (18, 110592120), (20, 99532908), (24, 82944090), (27, 73728080), (30, 66355272), (36, 55296060), (40, 49766454), (45, 44236848), (48, 41472045), (54, 36864040), (60, 33177636), (72, 27648030), (80, 24883227), (90, 22118424), (108, 18432020), (120, 16588818), (135, 14745616), (144, 13824015), (180, 11059212), (216, 9216010), (240, 8294409), (270, 7372808), (360, 5529606), (432, 4608005), (540, 3686404), (720, 2764803), (1080, 1843202), (2160, 921601)]