19455840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{229}}^1$

素因数の和:309

約数の個数: 144

約数和(自身を含む): 67813200

約数和(自身を除く): 48357360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 59, 60, 72, 80, 90, 96, 118, 120, 144, 160, 177, 180, 229, 236, 240, 288, 295, 354, 360, 458, 472, 480, 531, 590, 687, 708, 720, 885, 916, 944, 1062, 1145, 1180, 1374, 1416, 1440, 1770, 1832, 1888, 2061, 2124, 2290, 2360, 2655, 2748, 2832, 3435, 3540, 3664, 4122, 4248, 4580, 4720, 5310, 5496, 5664, 6870, 7080, 7328, 8244, 8496, 9160, 9440, 10305, 10620, 10992, 13511, 13740, 14160, 16488, 16992, 18320, 20610, 21240, 21984, 27022, 27480, 28320, 32976, 36640, 40533, 41220, 42480, 54044, 54960, 65952, 67555, 81066, 82440, 84960, 108088, 109920, 121599, 135110, 162132, 164880, 202665, 216176, 243198, 270220, 324264, 329760, 405330, 432352, 486396, 540440, 607995, 648528, 810660, 972792, 1080880, 1215990, 1297056, 1621320, 1945584, 2161760, 2431980, 3242640, 3891168, 4863960, 6485280, 9727920, 19455840]

約数ペア:

[(1, 19455840), (2, 9727920), (3, 6485280), (4, 4863960), (5, 3891168), (6, 3242640), (8, 2431980), (9, 2161760), (10, 1945584), (12, 1621320), (15, 1297056), (16, 1215990), (18, 1080880), (20, 972792), (24, 810660), (30, 648528), (32, 607995), (36, 540440), (40, 486396), (45, 432352), (48, 405330), (59, 329760), (60, 324264), (72, 270220), (80, 243198), (90, 216176), (96, 202665), (118, 164880), (120, 162132), (144, 135110), (160, 121599), (177, 109920), (180, 108088), (229, 84960), (236, 82440), (240, 81066), (288, 67555), (295, 65952), (354, 54960), (360, 54044), (458, 42480), (472, 41220), (480, 40533), (531, 36640), (590, 32976), (687, 28320), (708, 27480), (720, 27022), (885, 21984), (916, 21240), (944, 20610), (1062, 18320), (1145, 16992), (1180, 16488), (1374, 14160), (1416, 13740), (1440, 13511), (1770, 10992), (1832, 10620), (1888, 10305), (2061, 9440), (2124, 9160), (2290, 8496), (2360, 8244), (2655, 7328), (2748, 7080), (2832, 6870), (3435, 5664), (3540, 5496), (3664, 5310), (4122, 4720), (4248, 4580)]