18455220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:270

約数の個数: 144

約数和(自身を含む): 65065728

約数和(自身を除く): 46610508

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 97, 105, 126, 140, 151, 180, 194, 210, 252, 291, 302, 315, 388, 420, 453, 485, 582, 604, 630, 679, 755, 873, 906, 970, 1057, 1164, 1260, 1358, 1359, 1455, 1510, 1746, 1812, 1940, 2037, 2114, 2265, 2716, 2718, 2910, 3020, 3171, 3395, 3492, 4074, 4228, 4365, 4530, 5285, 5436, 5820, 6111, 6342, 6790, 6795, 8148, 8730, 9060, 9513, 10185, 10570, 12222, 12684, 13580, 13590, 14647, 15855, 17460, 19026, 20370, 21140, 24444, 27180, 29294, 30555, 31710, 38052, 40740, 43941, 47565, 58588, 61110, 63420, 73235, 87882, 95130, 102529, 122220, 131823, 146470, 175764, 190260, 205058, 219705, 263646, 292940, 307587, 410116, 439410, 512645, 527292, 615174, 659115, 878820, 922761, 1025290, 1230348, 1318230, 1537935, 1845522, 2050580, 2636460, 3075870, 3691044, 4613805, 6151740, 9227610, 18455220]

約数ペア:

[(1, 18455220), (2, 9227610), (3, 6151740), (4, 4613805), (5, 3691044), (6, 3075870), (7, 2636460), (9, 2050580), (10, 1845522), (12, 1537935), (14, 1318230), (15, 1230348), (18, 1025290), (20, 922761), (21, 878820), (28, 659115), (30, 615174), (35, 527292), (36, 512645), (42, 439410), (45, 410116), (60, 307587), (63, 292940), (70, 263646), (84, 219705), (90, 205058), (97, 190260), (105, 175764), (126, 146470), (140, 131823), (151, 122220), (180, 102529), (194, 95130), (210, 87882), (252, 73235), (291, 63420), (302, 61110), (315, 58588), (388, 47565), (420, 43941), (453, 40740), (485, 38052), (582, 31710), (604, 30555), (630, 29294), (679, 27180), (755, 24444), (873, 21140), (906, 20370), (970, 19026), (1057, 17460), (1164, 15855), (1260, 14647), (1358, 13590), (1359, 13580), (1455, 12684), (1510, 12222), (1746, 10570), (1812, 10185), (1940, 9513), (2037, 9060), (2114, 8730), (2265, 8148), (2716, 6795), (2718, 6790), (2910, 6342), (3020, 6111), (3171, 5820), (3395, 5436), (3492, 5285), (4074, 4530), (4228, 4365)]