18895680

素因数分解:

$2^6\times 3^{10}\times 5^1$

素因数の和:47

約数の個数: 154

約数和(自身を含む): 67492626

約数和(自身を除く): 48596946

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 243, 270, 288, 320, 324, 360, 405, 432, 480, 486, 540, 576, 648, 720, 729, 810, 864, 960, 972, 1080, 1215, 1296, 1440, 1458, 1620, 1728, 1944, 2160, 2187, 2430, 2592, 2880, 2916, 3240, 3645, 3888, 4320, 4374, 4860, 5184, 5832, 6480, 6561, 7290, 7776, 8640, 8748, 9720, 10935, 11664, 12960, 13122, 14580, 15552, 17496, 19440, 19683, 21870, 23328, 25920, 26244, 29160, 32805, 34992, 38880, 39366, 43740, 46656, 52488, 58320, 59049, 65610, 69984, 77760, 78732, 87480, 98415, 104976, 116640, 118098, 131220, 139968, 157464, 174960, 196830, 209952, 233280, 236196, 262440, 295245, 314928, 349920, 393660, 419904, 472392, 524880, 590490, 629856, 699840, 787320, 944784, 1049760, 1180980, 1259712, 1574640, 1889568, 2099520, 2361960, 3149280, 3779136, 4723920, 6298560, 9447840, 18895680]

約数ペア:

[(1, 18895680), (2, 9447840), (3, 6298560), (4, 4723920), (5, 3779136), (6, 3149280), (8, 2361960), (9, 2099520), (10, 1889568), (12, 1574640), (15, 1259712), (16, 1180980), (18, 1049760), (20, 944784), (24, 787320), (27, 699840), (30, 629856), (32, 590490), (36, 524880), (40, 472392), (45, 419904), (48, 393660), (54, 349920), (60, 314928), (64, 295245), (72, 262440), (80, 236196), (81, 233280), (90, 209952), (96, 196830), (108, 174960), (120, 157464), (135, 139968), (144, 131220), (160, 118098), (162, 116640), (180, 104976), (192, 98415), (216, 87480), (240, 78732), (243, 77760), (270, 69984), (288, 65610), (320, 59049), (324, 58320), (360, 52488), (405, 46656), (432, 43740), (480, 39366), (486, 38880), (540, 34992), (576, 32805), (648, 29160), (720, 26244), (729, 25920), (810, 23328), (864, 21870), (960, 19683), (972, 19440), (1080, 17496), (1215, 15552), (1296, 14580), (1440, 13122), (1458, 12960), (1620, 11664), (1728, 10935), (1944, 9720), (2160, 8748), (2187, 8640), (2430, 7776), (2592, 7290), (2880, 6561), (2916, 6480), (3240, 5832), (3645, 5184), (3888, 4860), (4320, 4374)]