203239440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{643}}^1$

素因数の和:1101

約数の個数: 120

約数和(自身を含む): 685164480

約数和(自身を除く): 481925040

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, 439, 643, 720, 878, 1286, 1317, 1756, 1929, 2195, 2572, 2634, 3215, 3512, 3858, 3951, 4390, 5144, 5268, 5787, 6430, 6585, 7024, 7716, 7902, 8780, 9645, 10288, 10536, 11574, 12860, 13170, 15432, 15804, 17560, 19290, 19755, 21072, 23148, 25720, 26340, 28935, 30864, 31608, 35120, 38580, 39510, 46296, 51440, 52680, 57870, 63216, 77160, 79020, 92592, 105360, 115740, 154320, 158040, 231480, 282277, 316080, 462960, 564554, 846831, 1129108, 1411385, 1693662, 2258216, 2540493, 2822770, 3387324, 4234155, 4516432, 5080986, 5645540, 6774648, 8468310, 10161972, 11291080, 12702465, 13549296, 16936620, 20323944, 22582160, 25404930, 33873240, 40647888, 50809860, 67746480, 101619720, 203239440]

約数ペア:

[(1, 203239440), (2, 101619720), (3, 67746480), (4, 50809860), (5, 40647888), (6, 33873240), (8, 25404930), (9, 22582160), (10, 20323944), (12, 16936620), (15, 13549296), (16, 12702465), (18, 11291080), (20, 10161972), (24, 8468310), (30, 6774648), (36, 5645540), (40, 5080986), (45, 4516432), (48, 4234155), (60, 3387324), (72, 2822770), (80, 2540493), (90, 2258216), (120, 1693662), (144, 1411385), (180, 1129108), (240, 846831), (360, 564554), (439, 462960), (643, 316080), (720, 282277), (878, 231480), (1286, 158040), (1317, 154320), (1756, 115740), (1929, 105360), (2195, 92592), (2572, 79020), (2634, 77160), (3215, 63216), (3512, 57870), (3858, 52680), (3951, 51440), (4390, 46296), (5144, 39510), (5268, 38580), (5787, 35120), (6430, 31608), (6585, 30864), (7024, 28935), (7716, 26340), (7902, 25720), (8780, 23148), (9645, 21072), (10288, 19755), (10536, 19290), (11574, 17560), (12860, 15804), (13170, 15432)]