20375280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9433}}^1$

素因数の和:9455

約数の個数: 80

約数和(自身を含む): 70188960

約数和(自身を除く): 49813680

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, 9433, 18866, 28299, 37732, 47165, 56598, 75464, 84897, 94330, 113196, 141495, 150928, 169794, 188660, 226392, 254691, 282990, 339588, 377320, 424485, 452784, 509382, 565980, 679176, 754640, 848970, 1018764, 1131960, 1273455, 1358352, 1697940, 2037528, 2263920, 2546910, 3395880, 4075056, 5093820, 6791760, 10187640, 20375280]

約数ペア:

[(1, 20375280), (2, 10187640), (3, 6791760), (4, 5093820), (5, 4075056), (6, 3395880), (8, 2546910), (9, 2263920), (10, 2037528), (12, 1697940), (15, 1358352), (16, 1273455), (18, 1131960), (20, 1018764), (24, 848970), (27, 754640), (30, 679176), (36, 565980), (40, 509382), (45, 452784), (48, 424485), (54, 377320), (60, 339588), (72, 282990), (80, 254691), (90, 226392), (108, 188660), (120, 169794), (135, 150928), (144, 141495), (180, 113196), (216, 94330), (240, 84897), (270, 75464), (360, 56598), (432, 47165), (540, 37732), (720, 28299), (1080, 18866), (2160, 9433)]