28343520

素因数分解:

$2^5\times 3^{11}\times 5^1$

素因数の和:48

約数の個数: 144

約数和(自身を含む): 100442160

約数和(自身を除く): 72098640

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, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 243, 270, 288, 324, 360, 405, 432, 480, 486, 540, 648, 720, 729, 810, 864, 972, 1080, 1215, 1296, 1440, 1458, 1620, 1944, 2160, 2187, 2430, 2592, 2916, 3240, 3645, 3888, 4320, 4374, 4860, 5832, 6480, 6561, 7290, 7776, 8748, 9720, 10935, 11664, 12960, 13122, 14580, 17496, 19440, 19683, 21870, 23328, 26244, 29160, 32805, 34992, 38880, 39366, 43740, 52488, 58320, 59049, 65610, 69984, 78732, 87480, 98415, 104976, 116640, 118098, 131220, 157464, 174960, 177147, 196830, 209952, 236196, 262440, 295245, 314928, 349920, 354294, 393660, 472392, 524880, 590490, 629856, 708588, 787320, 885735, 944784, 1049760, 1180980, 1417176, 1574640, 1771470, 1889568, 2361960, 2834352, 3149280, 3542940, 4723920, 5668704, 7085880, 9447840, 14171760, 28343520]

約数ペア:

[(1, 28343520), (2, 14171760), (3, 9447840), (4, 7085880), (5, 5668704), (6, 4723920), (8, 3542940), (9, 3149280), (10, 2834352), (12, 2361960), (15, 1889568), (16, 1771470), (18, 1574640), (20, 1417176), (24, 1180980), (27, 1049760), (30, 944784), (32, 885735), (36, 787320), (40, 708588), (45, 629856), (48, 590490), (54, 524880), (60, 472392), (72, 393660), (80, 354294), (81, 349920), (90, 314928), (96, 295245), (108, 262440), (120, 236196), (135, 209952), (144, 196830), (160, 177147), (162, 174960), (180, 157464), (216, 131220), (240, 118098), (243, 116640), (270, 104976), (288, 98415), (324, 87480), (360, 78732), (405, 69984), (432, 65610), (480, 59049), (486, 58320), (540, 52488), (648, 43740), (720, 39366), (729, 38880), (810, 34992), (864, 32805), (972, 29160), (1080, 26244), (1215, 23328), (1296, 21870), (1440, 19683), (1458, 19440), (1620, 17496), (1944, 14580), (2160, 13122), (2187, 12960), (2430, 11664), (2592, 10935), (2916, 9720), (3240, 8748), (3645, 7776), (3888, 7290), (4320, 6561), (4374, 6480), (4860, 5832)]