18468720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1$

素因数の和:359

約数の個数: 120

約数和(自身を含む): 62848656

約数和(自身を除く): 44379936

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, 113, 120, 144, 180, 226, 227, 240, 339, 360, 452, 454, 565, 678, 681, 720, 904, 908, 1017, 1130, 1135, 1356, 1362, 1695, 1808, 1816, 2034, 2043, 2260, 2270, 2712, 2724, 3390, 3405, 3632, 4068, 4086, 4520, 4540, 5085, 5424, 5448, 6780, 6810, 8136, 8172, 9040, 9080, 10170, 10215, 10896, 13560, 13620, 16272, 16344, 18160, 20340, 20430, 25651, 27120, 27240, 32688, 40680, 40860, 51302, 54480, 76953, 81360, 81720, 102604, 128255, 153906, 163440, 205208, 230859, 256510, 307812, 384765, 410416, 461718, 513020, 615624, 769530, 923436, 1026040, 1154295, 1231248, 1539060, 1846872, 2052080, 2308590, 3078120, 3693744, 4617180, 6156240, 9234360, 18468720]

約数ペア:

[(1, 18468720), (2, 9234360), (3, 6156240), (4, 4617180), (5, 3693744), (6, 3078120), (8, 2308590), (9, 2052080), (10, 1846872), (12, 1539060), (15, 1231248), (16, 1154295), (18, 1026040), (20, 923436), (24, 769530), (30, 615624), (36, 513020), (40, 461718), (45, 410416), (48, 384765), (60, 307812), (72, 256510), (80, 230859), (90, 205208), (113, 163440), (120, 153906), (144, 128255), (180, 102604), (226, 81720), (227, 81360), (240, 76953), (339, 54480), (360, 51302), (452, 40860), (454, 40680), (565, 32688), (678, 27240), (681, 27120), (720, 25651), (904, 20430), (908, 20340), (1017, 18160), (1130, 16344), (1135, 16272), (1356, 13620), (1362, 13560), (1695, 10896), (1808, 10215), (1816, 10170), (2034, 9080), (2043, 9040), (2260, 8172), (2270, 8136), (2712, 6810), (2724, 6780), (3390, 5448), (3405, 5424), (3632, 5085), (4068, 4540), (4086, 4520)]