28756728

素因数分解:

$2^3\times 3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:72

約数の個数: 384

約数和(自身を含む): 114912000

約数和(自身を除く): 86155272

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 13, 14, 18, 19, 21, 22, 24, 26, 27, 28, 33, 36, 38, 39, 42, 44, 49, 52, 54, 56, 57, 63, 66, 72, 76, 77, 78, 84, 88, 91, 98, 99, 104, 108, 114, 117, 126, 132, 133, 143, 147, 152, 154, 156, 168, 171, 182, 189, 196, 198, 209, 216, 228, 231, 234, 247, 252, 264, 266, 273, 286, 294, 297, 308, 312, 342, 351, 364, 378, 392, 396, 399, 418, 429, 441, 456, 462, 468, 494, 504, 513, 532, 539, 546, 572, 588, 594, 616, 627, 637, 684, 693, 702, 728, 741, 756, 792, 798, 819, 836, 858, 882, 924, 931, 936, 988, 1001, 1026, 1064, 1078, 1092, 1144, 1176, 1188, 1197, 1254, 1274, 1287, 1323, 1368, 1386, 1404, 1463, 1482, 1512, 1596, 1617, 1638, 1672, 1716, 1729, 1764, 1848, 1862, 1881, 1911, 1976, 2002, 2052, 2079, 2156, 2184, 2223, 2376, 2394, 2457, 2508, 2548, 2574, 2646, 2717, 2772, 2793, 2808, 2926, 2964, 3003, 3192, 3234, 3276, 3432, 3458, 3528, 3591, 3724, 3762, 3822, 3861, 4004, 4104, 4158, 4312, 4389, 4446, 4788, 4851, 4914, 5016, 5096, 5148, 5187, 5292, 5434, 5544, 5586, 5643, 5733, 5852, 5928, 6006, 6468, 6552, 6669, 6916, 7007, 7182, 7448, 7524, 7644, 7722, 8008, 8151, 8316, 8379, 8778, 8892, 9009, 9576, 9702, 9828, 10241, 10296, 10374, 10584, 10868, 11172, 11286, 11466, 11704, 12012, 12103, 12936, 13167, 13338, 13832, 14014, 14364, 14553, 15048, 15288, 15444, 15561, 16302, 16632, 16758, 17199, 17556, 17784, 18018, 19019, 19404, 19656, 20482, 20748, 21021, 21736, 22344, 22572, 22932, 24024, 24206, 24453, 25137, 26334, 26676, 27027, 28028, 28728, 29106, 30723, 30888, 31122, 32604, 33516, 34398, 35112, 36036, 36309, 38038, 38808, 39501, 40964, 41496, 42042, 45144, 45864, 46683, 48412, 48906, 50274, 52668, 53352, 54054, 56056, 57057, 58212, 61446, 62244, 63063, 65208, 67032, 68796, 72072, 72618, 73359, 76076, 79002, 81928, 84084, 92169, 93366, 96824, 97812, 100548, 105336, 108108, 108927, 114114, 116424, 122892, 124488, 126126, 133133, 137592, 145236, 146718, 152152, 158004, 168168, 171171, 184338, 186732, 189189, 195624, 201096, 216216, 217854, 228228, 245784, 252252, 266266, 276507, 290472, 293436, 316008, 326781, 342342, 368676, 373464, 378378, 399399, 435708, 456456, 504504, 513513, 532532, 553014, 586872, 653562, 684684, 737352, 756756, 798798, 871416, 1027026, 1065064, 1106028, 1198197, 1307124, 1369368, 1513512, 1597596, 2054052, 2212056, 2396394, 2614248, 3195192, 3594591, 4108104, 4792788, 7189182, 9585576, 14378364, 28756728]

約数ペア:

[(1, 28756728), (2, 14378364), (3, 9585576), (4, 7189182), (6, 4792788), (7, 4108104), (8, 3594591), (9, 3195192), (11, 2614248), (12, 2396394), (13, 2212056), (14, 2054052), (18, 1597596), (19, 1513512), (21, 1369368), (22, 1307124), (24, 1198197), (26, 1106028), (27, 1065064), (28, 1027026), (33, 871416), (36, 798798), (38, 756756), (39, 737352), (42, 684684), (44, 653562), (49, 586872), (52, 553014), (54, 532532), (56, 513513), (57, 504504), (63, 456456), (66, 435708), (72, 399399), (76, 378378), (77, 373464), (78, 368676), (84, 342342), (88, 326781), (91, 316008), (98, 293436), (99, 290472), (104, 276507), (108, 266266), (114, 252252), (117, 245784), (126, 228228), (132, 217854), (133, 216216), (143, 201096), (147, 195624), (152, 189189), (154, 186732), (156, 184338), (168, 171171), (171, 168168), (182, 158004), (189, 152152), (196, 146718), (198, 145236), (209, 137592), (216, 133133), (228, 126126), (231, 124488), (234, 122892), (247, 116424), (252, 114114), (264, 108927), (266, 108108), (273, 105336), (286, 100548), (294, 97812), (297, 96824), (308, 93366), (312, 92169), (342, 84084), (351, 81928), (364, 79002), (378, 76076), (392, 73359), (396, 72618), (399, 72072), (418, 68796), (429, 67032), (441, 65208), (456, 63063), (462, 62244), (468, 61446), (494, 58212), (504, 57057), (513, 56056), (532, 54054), (539, 53352), (546, 52668), (572, 50274), (588, 48906), (594, 48412), (616, 46683), (627, 45864), (637, 45144), (684, 42042), (693, 41496), (702, 40964), (728, 39501), (741, 38808), (756, 38038), (792, 36309), (798, 36036), (819, 35112), (836, 34398), (858, 33516), (882, 32604), (924, 31122), (931, 30888), (936, 30723), (988, 29106), (1001, 28728), (1026, 28028), (1064, 27027), (1078, 26676), (1092, 26334), (1144, 25137), (1176, 24453), (1188, 24206), (1197, 24024), (1254, 22932), (1274, 22572), (1287, 22344), (1323, 21736), (1368, 21021), (1386, 20748), (1404, 20482), (1463, 19656), (1482, 19404), (1512, 19019), (1596, 18018), (1617, 17784), (1638, 17556), (1672, 17199), (1716, 16758), (1729, 16632), (1764, 16302), (1848, 15561), (1862, 15444), (1881, 15288), (1911, 15048), (1976, 14553), (2002, 14364), (2052, 14014), (2079, 13832), (2156, 13338), (2184, 13167), (2223, 12936), (2376, 12103), (2394, 12012), (2457, 11704), (2508, 11466), (2548, 11286), (2574, 11172), (2646, 10868), (2717, 10584), (2772, 10374), (2793, 10296), (2808, 10241), (2926, 9828), (2964, 9702), (3003, 9576), (3192, 9009), (3234, 8892), (3276, 8778), (3432, 8379), (3458, 8316), (3528, 8151), (3591, 8008), (3724, 7722), (3762, 7644), (3822, 7524), (3861, 7448), (4004, 7182), (4104, 7007), (4158, 6916), (4312, 6669), (4389, 6552), (4446, 6468), (4788, 6006), (4851, 5928), (4914, 5852), (5016, 5733), (5096, 5643), (5148, 5586), (5187, 5544), (5292, 5434)]