209257920

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{643}}^1$

素因数の和:779

約数の個数: 168

約数和(自身を含む): 727258896

約数和(自身を除く): 518000976

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 113, 120, 144, 160, 180, 192, 226, 240, 288, 320, 339, 360, 452, 480, 565, 576, 643, 678, 720, 904, 960, 1017, 1130, 1286, 1356, 1440, 1695, 1808, 1929, 2034, 2260, 2572, 2712, 2880, 3215, 3390, 3616, 3858, 4068, 4520, 5085, 5144, 5424, 5787, 6430, 6780, 7232, 7716, 8136, 9040, 9645, 10170, 10288, 10848, 11574, 12860, 13560, 15432, 16272, 18080, 19290, 20340, 20576, 21696, 23148, 25720, 27120, 28935, 30864, 32544, 36160, 38580, 40680, 41152, 46296, 51440, 54240, 57870, 61728, 65088, 72659, 77160, 81360, 92592, 102880, 108480, 115740, 123456, 145318, 154320, 162720, 185184, 205760, 217977, 231480, 290636, 308640, 325440, 363295, 370368, 435954, 462960, 581272, 617280, 653931, 726590, 871908, 925920, 1089885, 1162544, 1307862, 1453180, 1743816, 1851840, 2179770, 2325088, 2615724, 2906360, 3269655, 3487632, 4359540, 4650176, 5231448, 5812720, 6539310, 6975264, 8719080, 10462896, 11625440, 13078620, 13950528, 17438160, 20925792, 23250880, 26157240, 34876320, 41851584, 52314480, 69752640, 104628960, 209257920]

約数ペア:

[(1, 209257920), (2, 104628960), (3, 69752640), (4, 52314480), (5, 41851584), (6, 34876320), (8, 26157240), (9, 23250880), (10, 20925792), (12, 17438160), (15, 13950528), (16, 13078620), (18, 11625440), (20, 10462896), (24, 8719080), (30, 6975264), (32, 6539310), (36, 5812720), (40, 5231448), (45, 4650176), (48, 4359540), (60, 3487632), (64, 3269655), (72, 2906360), (80, 2615724), (90, 2325088), (96, 2179770), (113, 1851840), (120, 1743816), (144, 1453180), (160, 1307862), (180, 1162544), (192, 1089885), (226, 925920), (240, 871908), (288, 726590), (320, 653931), (339, 617280), (360, 581272), (452, 462960), (480, 435954), (565, 370368), (576, 363295), (643, 325440), (678, 308640), (720, 290636), (904, 231480), (960, 217977), (1017, 205760), (1130, 185184), (1286, 162720), (1356, 154320), (1440, 145318), (1695, 123456), (1808, 115740), (1929, 108480), (2034, 102880), (2260, 92592), (2572, 81360), (2712, 77160), (2880, 72659), (3215, 65088), (3390, 61728), (3616, 57870), (3858, 54240), (4068, 51440), (4520, 46296), (5085, 41152), (5144, 40680), (5424, 38580), (5787, 36160), (6430, 32544), (6780, 30864), (7232, 28935), (7716, 27120), (8136, 25720), (9040, 23148), (9645, 21696), (10170, 20576), (10288, 20340), (10848, 19290), (11574, 18080), (12860, 16272), (13560, 15432)]