205816680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1279}}^1$

素因数の和:1448

約数の個数: 128

約数和(自身を含む): 691200000

約数和(自身を除く): 485383320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 149, 180, 216, 270, 298, 360, 447, 540, 596, 745, 894, 1080, 1192, 1279, 1341, 1490, 1788, 2235, 2558, 2682, 2980, 3576, 3837, 4023, 4470, 5116, 5364, 5960, 6395, 6705, 7674, 8046, 8940, 10232, 10728, 11511, 12790, 13410, 15348, 16092, 17880, 19185, 20115, 23022, 25580, 26820, 30696, 32184, 34533, 38370, 40230, 46044, 51160, 53640, 57555, 69066, 76740, 80460, 92088, 115110, 138132, 153480, 160920, 172665, 190571, 230220, 276264, 345330, 381142, 460440, 571713, 690660, 762284, 952855, 1143426, 1381320, 1524568, 1715139, 1905710, 2286852, 2858565, 3430278, 3811420, 4573704, 5145417, 5717130, 6860556, 7622840, 8575695, 10290834, 11434260, 13721112, 17151390, 20581668, 22868520, 25727085, 34302780, 41163336, 51454170, 68605560, 102908340, 205816680]

約数ペア:

[(1, 205816680), (2, 102908340), (3, 68605560), (4, 51454170), (5, 41163336), (6, 34302780), (8, 25727085), (9, 22868520), (10, 20581668), (12, 17151390), (15, 13721112), (18, 11434260), (20, 10290834), (24, 8575695), (27, 7622840), (30, 6860556), (36, 5717130), (40, 5145417), (45, 4573704), (54, 3811420), (60, 3430278), (72, 2858565), (90, 2286852), (108, 1905710), (120, 1715139), (135, 1524568), (149, 1381320), (180, 1143426), (216, 952855), (270, 762284), (298, 690660), (360, 571713), (447, 460440), (540, 381142), (596, 345330), (745, 276264), (894, 230220), (1080, 190571), (1192, 172665), (1279, 160920), (1341, 153480), (1490, 138132), (1788, 115110), (2235, 92088), (2558, 80460), (2682, 76740), (2980, 69066), (3576, 57555), (3837, 53640), (4023, 51160), (4470, 46044), (5116, 40230), (5364, 38370), (5960, 34533), (6395, 32184), (6705, 30696), (7674, 26820), (8046, 25580), (8940, 23022), (10232, 20115), (10728, 19185), (11511, 17880), (12790, 16092), (13410, 15348)]