81755856

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{367}}^1$

素因数の和:418

約数の個数: 240

約数和(自身を含む): 298980864

約数和(自身を除く): 217225008

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 17, 18, 21, 24, 26, 28, 34, 36, 39, 42, 48, 51, 52, 56, 63, 68, 72, 78, 84, 91, 102, 104, 112, 117, 119, 126, 136, 144, 153, 156, 168, 182, 204, 208, 221, 234, 238, 252, 272, 273, 306, 312, 336, 357, 364, 367, 408, 442, 468, 476, 504, 546, 612, 624, 663, 714, 728, 734, 816, 819, 884, 936, 952, 1008, 1071, 1092, 1101, 1224, 1326, 1428, 1456, 1468, 1547, 1638, 1768, 1872, 1904, 1989, 2142, 2184, 2202, 2448, 2569, 2652, 2856, 2936, 3094, 3276, 3303, 3536, 3978, 4284, 4368, 4404, 4641, 4771, 5138, 5304, 5712, 5872, 6188, 6239, 6552, 6606, 7707, 7956, 8568, 8808, 9282, 9542, 10276, 10608, 12376, 12478, 13104, 13212, 13923, 14313, 15414, 15912, 17136, 17616, 18564, 18717, 19084, 20552, 23121, 24752, 24956, 26424, 27846, 28626, 30828, 31824, 33397, 37128, 37434, 38168, 41104, 42939, 43673, 46242, 49912, 52848, 55692, 56151, 57252, 61656, 66794, 74256, 74868, 76336, 81107, 85878, 87346, 92484, 99824, 100191, 111384, 112302, 114504, 123312, 131019, 133588, 149736, 162214, 171756, 174692, 184968, 200382, 222768, 224604, 229008, 243321, 262038, 267176, 299472, 300573, 324428, 343512, 349384, 369936, 393057, 400764, 449208, 486642, 524076, 534352, 567749, 601146, 648856, 687024, 698768, 729963, 786114, 801528, 898416, 973284, 1048152, 1135498, 1202292, 1297712, 1459926, 1572228, 1603056, 1703247, 1946568, 2096304, 2270996, 2404584, 2919852, 3144456, 3406494, 3893136, 4541992, 4809168, 5109741, 5839704, 6288912, 6812988, 9083984, 10219482, 11679408, 13625976, 20438964, 27251952, 40877928, 81755856]

約数ペア:

[(1, 81755856), (2, 40877928), (3, 27251952), (4, 20438964), (6, 13625976), (7, 11679408), (8, 10219482), (9, 9083984), (12, 6812988), (13, 6288912), (14, 5839704), (16, 5109741), (17, 4809168), (18, 4541992), (21, 3893136), (24, 3406494), (26, 3144456), (28, 2919852), (34, 2404584), (36, 2270996), (39, 2096304), (42, 1946568), (48, 1703247), (51, 1603056), (52, 1572228), (56, 1459926), (63, 1297712), (68, 1202292), (72, 1135498), (78, 1048152), (84, 973284), (91, 898416), (102, 801528), (104, 786114), (112, 729963), (117, 698768), (119, 687024), (126, 648856), (136, 601146), (144, 567749), (153, 534352), (156, 524076), (168, 486642), (182, 449208), (204, 400764), (208, 393057), (221, 369936), (234, 349384), (238, 343512), (252, 324428), (272, 300573), (273, 299472), (306, 267176), (312, 262038), (336, 243321), (357, 229008), (364, 224604), (367, 222768), (408, 200382), (442, 184968), (468, 174692), (476, 171756), (504, 162214), (546, 149736), (612, 133588), (624, 131019), (663, 123312), (714, 114504), (728, 112302), (734, 111384), (816, 100191), (819, 99824), (884, 92484), (936, 87346), (952, 85878), (1008, 81107), (1071, 76336), (1092, 74868), (1101, 74256), (1224, 66794), (1326, 61656), (1428, 57252), (1456, 56151), (1468, 55692), (1547, 52848), (1638, 49912), (1768, 46242), (1872, 43673), (1904, 42939), (1989, 41104), (2142, 38168), (2184, 37434), (2202, 37128), (2448, 33397), (2569, 31824), (2652, 30828), (2856, 28626), (2936, 27846), (3094, 26424), (3276, 24956), (3303, 24752), (3536, 23121), (3978, 20552), (4284, 19084), (4368, 18717), (4404, 18564), (4641, 17616), (4771, 17136), (5138, 15912), (5304, 15414), (5712, 14313), (5872, 13923), (6188, 13212), (6239, 13104), (6552, 12478), (6606, 12376), (7707, 10608), (7956, 10276), (8568, 9542), (8808, 9282)]