28305288

素因数分解:

$2^3\times 3^4\times {\mathrm{11}}^2\times {\mathrm{19}}^2$

素因数の和:78

約数の個数: 180

約数和(自身を含む): 91971495

約数和(自身を除く): 63666207

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 19, 22, 24, 27, 33, 36, 38, 44, 54, 57, 66, 72, 76, 81, 88, 99, 108, 114, 121, 132, 152, 162, 171, 198, 209, 216, 228, 242, 264, 297, 324, 342, 361, 363, 396, 418, 456, 484, 513, 594, 627, 648, 684, 722, 726, 792, 836, 891, 968, 1026, 1083, 1089, 1188, 1254, 1368, 1444, 1452, 1539, 1672, 1782, 1881, 2052, 2166, 2178, 2299, 2376, 2508, 2888, 2904, 3078, 3249, 3267, 3564, 3762, 3971, 4104, 4332, 4356, 4598, 5016, 5643, 6156, 6498, 6534, 6897, 7128, 7524, 7942, 8664, 8712, 9196, 9747, 9801, 11286, 11913, 12312, 12996, 13068, 13794, 15048, 15884, 16929, 18392, 19494, 19602, 20691, 22572, 23826, 25992, 26136, 27588, 29241, 31768, 33858, 35739, 38988, 39204, 41382, 43681, 45144, 47652, 55176, 58482, 62073, 67716, 71478, 77976, 78408, 82764, 87362, 95304, 107217, 116964, 124146, 131043, 135432, 142956, 165528, 174724, 186219, 214434, 233928, 248292, 262086, 285912, 321651, 349448, 372438, 393129, 428868, 496584, 524172, 643302, 744876, 786258, 857736, 1048344, 1179387, 1286604, 1489752, 1572516, 2358774, 2573208, 3145032, 3538161, 4717548, 7076322, 9435096, 14152644, 28305288]

約数ペア:

[(1, 28305288), (2, 14152644), (3, 9435096), (4, 7076322), (6, 4717548), (8, 3538161), (9, 3145032), (11, 2573208), (12, 2358774), (18, 1572516), (19, 1489752), (22, 1286604), (24, 1179387), (27, 1048344), (33, 857736), (36, 786258), (38, 744876), (44, 643302), (54, 524172), (57, 496584), (66, 428868), (72, 393129), (76, 372438), (81, 349448), (88, 321651), (99, 285912), (108, 262086), (114, 248292), (121, 233928), (132, 214434), (152, 186219), (162, 174724), (171, 165528), (198, 142956), (209, 135432), (216, 131043), (228, 124146), (242, 116964), (264, 107217), (297, 95304), (324, 87362), (342, 82764), (361, 78408), (363, 77976), (396, 71478), (418, 67716), (456, 62073), (484, 58482), (513, 55176), (594, 47652), (627, 45144), (648, 43681), (684, 41382), (722, 39204), (726, 38988), (792, 35739), (836, 33858), (891, 31768), (968, 29241), (1026, 27588), (1083, 26136), (1089, 25992), (1188, 23826), (1254, 22572), (1368, 20691), (1444, 19602), (1452, 19494), (1539, 18392), (1672, 16929), (1782, 15884), (1881, 15048), (2052, 13794), (2166, 13068), (2178, 12996), (2299, 12312), (2376, 11913), (2508, 11286), (2888, 9801), (2904, 9747), (3078, 9196), (3249, 8712), (3267, 8664), (3564, 7942), (3762, 7524), (3971, 7128), (4104, 6897), (4332, 6534), (4356, 6498), (4598, 6156), (5016, 5643)]