28157760

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{3259}}^1$

素因数の和:3285

約数の個数: 112

約数和(自身を含む): 99364800

約数和(自身を除く): 71207040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2880, 3259, 4320, 6518, 8640, 9777, 13036, 16295, 19554, 26072, 29331, 32590, 39108, 48885, 52144, 58662, 65180, 78216, 87993, 97770, 104288, 117324, 130360, 146655, 156432, 175986, 195540, 208576, 234648, 260720, 293310, 312864, 351972, 391080, 439965, 469296, 521440, 586620, 625728, 703944, 782160, 879930, 938592, 1042880, 1173240, 1407888, 1564320, 1759860, 1877184, 2346480, 2815776, 3128640, 3519720, 4692960, 5631552, 7039440, 9385920, 14078880, 28157760]

約数ペア:

[(1, 28157760), (2, 14078880), (3, 9385920), (4, 7039440), (5, 5631552), (6, 4692960), (8, 3519720), (9, 3128640), (10, 2815776), (12, 2346480), (15, 1877184), (16, 1759860), (18, 1564320), (20, 1407888), (24, 1173240), (27, 1042880), (30, 938592), (32, 879930), (36, 782160), (40, 703944), (45, 625728), (48, 586620), (54, 521440), (60, 469296), (64, 439965), (72, 391080), (80, 351972), (90, 312864), (96, 293310), (108, 260720), (120, 234648), (135, 208576), (144, 195540), (160, 175986), (180, 156432), (192, 146655), (216, 130360), (240, 117324), (270, 104288), (288, 97770), (320, 87993), (360, 78216), (432, 65180), (480, 58662), (540, 52144), (576, 48885), (720, 39108), (864, 32590), (960, 29331), (1080, 26072), (1440, 19554), (1728, 16295), (2160, 13036), (2880, 9777), (3259, 8640), (4320, 6518)]