27820320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{479}}^1$

素因数の和:519

約数の個数: 144

約数和(自身を含む): 96526080

約数和(自身を除く): 68705760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 80, 88, 96, 110, 120, 121, 132, 160, 165, 176, 220, 240, 242, 264, 330, 352, 363, 440, 479, 480, 484, 528, 605, 660, 726, 880, 958, 968, 1056, 1210, 1320, 1437, 1452, 1760, 1815, 1916, 1936, 2395, 2420, 2640, 2874, 2904, 3630, 3832, 3872, 4790, 4840, 5269, 5280, 5748, 5808, 7185, 7260, 7664, 9580, 9680, 10538, 11496, 11616, 14370, 14520, 15328, 15807, 19160, 19360, 21076, 22992, 26345, 28740, 29040, 31614, 38320, 42152, 45984, 52690, 57480, 57959, 58080, 63228, 76640, 79035, 84304, 105380, 114960, 115918, 126456, 158070, 168608, 173877, 210760, 229920, 231836, 252912, 289795, 316140, 347754, 421520, 463672, 505824, 579590, 632280, 695508, 843040, 869385, 927344, 1159180, 1264560, 1391016, 1738770, 1854688, 2318360, 2529120, 2782032, 3477540, 4636720, 5564064, 6955080, 9273440, 13910160, 27820320]

約数ペア:

[(1, 27820320), (2, 13910160), (3, 9273440), (4, 6955080), (5, 5564064), (6, 4636720), (8, 3477540), (10, 2782032), (11, 2529120), (12, 2318360), (15, 1854688), (16, 1738770), (20, 1391016), (22, 1264560), (24, 1159180), (30, 927344), (32, 869385), (33, 843040), (40, 695508), (44, 632280), (48, 579590), (55, 505824), (60, 463672), (66, 421520), (80, 347754), (88, 316140), (96, 289795), (110, 252912), (120, 231836), (121, 229920), (132, 210760), (160, 173877), (165, 168608), (176, 158070), (220, 126456), (240, 115918), (242, 114960), (264, 105380), (330, 84304), (352, 79035), (363, 76640), (440, 63228), (479, 58080), (480, 57959), (484, 57480), (528, 52690), (605, 45984), (660, 42152), (726, 38320), (880, 31614), (958, 29040), (968, 28740), (1056, 26345), (1210, 22992), (1320, 21076), (1437, 19360), (1452, 19160), (1760, 15807), (1815, 15328), (1916, 14520), (1936, 14370), (2395, 11616), (2420, 11496), (2640, 10538), (2874, 9680), (2904, 9580), (3630, 7664), (3832, 7260), (3872, 7185), (4790, 5808), (4840, 5748), (5269, 5280)]