1780001244

素因数分解:

$2^2\times 3^5\times 7^3\times {\mathrm{19}}^1\times {\mathrm{281}}^1$

素因数の和:340

約数の個数: 288

約数和(自身を含む): 5748288000

約数和(自身を除く): 3968286756

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 49, 54, 57, 63, 76, 81, 84, 98, 108, 114, 126, 133, 147, 162, 171, 189, 196, 228, 243, 252, 266, 281, 294, 324, 342, 343, 378, 399, 441, 486, 513, 532, 562, 567, 588, 684, 686, 756, 798, 843, 882, 931, 972, 1026, 1029, 1124, 1134, 1197, 1323, 1372, 1539, 1596, 1686, 1701, 1764, 1862, 1967, 2052, 2058, 2268, 2394, 2529, 2646, 2793, 3078, 3087, 3372, 3402, 3591, 3724, 3934, 3969, 4116, 4617, 4788, 5058, 5292, 5339, 5586, 5901, 6156, 6174, 6517, 6804, 7182, 7587, 7868, 7938, 8379, 9234, 9261, 10116, 10678, 10773, 11172, 11802, 11907, 12348, 13034, 13769, 14364, 15174, 15876, 16017, 16758, 17703, 18468, 18522, 19551, 21356, 21546, 22761, 23604, 23814, 25137, 26068, 27538, 27783, 30348, 32034, 32319, 33516, 35406, 37044, 37373, 39102, 41307, 43092, 45522, 47628, 48051, 50274, 53109, 55076, 55566, 58653, 64068, 64638, 68283, 70812, 74746, 75411, 78204, 82614, 83349, 91044, 96102, 96383, 100548, 106218, 111132, 112119, 117306, 123921, 129276, 136566, 144153, 149492, 150822, 159327, 165228, 166698, 175959, 192204, 192766, 212436, 224238, 226233, 234612, 247842, 261611, 273132, 288306, 289149, 301644, 318654, 333396, 336357, 351918, 371763, 385532, 432459, 448476, 452466, 477981, 495684, 523222, 527877, 576612, 578298, 637308, 672714, 703836, 743526, 784833, 864918, 867447, 904932, 955962, 1009071, 1046444, 1055754, 1115289, 1156596, 1297377, 1345428, 1487052, 1569666, 1583631, 1729836, 1734894, 1831277, 1911924, 2018142, 2111508, 2230578, 2354499, 2594754, 2602341, 3027213, 3139332, 3167262, 3345867, 3469788, 3662554, 4036284, 4461156, 4708998, 5189508, 5204682, 5493831, 6054426, 6334524, 6691734, 7063497, 7325108, 7807023, 9081639, 9417996, 10409364, 10987662, 12108852, 13383468, 14126994, 15614046, 16481493, 18163278, 21190491, 21975324, 23421069, 28253988, 31228092, 32962986, 36326556, 42380982, 46842138, 49444479, 63571473, 65925972, 84761964, 93684276, 98888958, 127142946, 148333437, 197777916, 254285892, 296666874, 445000311, 593333748, 890000622, 1780001244]

約数ペア:

[(1, 1780001244), (2, 890000622), (3, 593333748), (4, 445000311), (6, 296666874), (7, 254285892), (9, 197777916), (12, 148333437), (14, 127142946), (18, 98888958), (19, 93684276), (21, 84761964), (27, 65925972), (28, 63571473), (36, 49444479), (38, 46842138), (42, 42380982), (49, 36326556), (54, 32962986), (57, 31228092), (63, 28253988), (76, 23421069), (81, 21975324), (84, 21190491), (98, 18163278), (108, 16481493), (114, 15614046), (126, 14126994), (133, 13383468), (147, 12108852), (162, 10987662), (171, 10409364), (189, 9417996), (196, 9081639), (228, 7807023), (243, 7325108), (252, 7063497), (266, 6691734), (281, 6334524), (294, 6054426), (324, 5493831), (342, 5204682), (343, 5189508), (378, 4708998), (399, 4461156), (441, 4036284), (486, 3662554), (513, 3469788), (532, 3345867), (562, 3167262), (567, 3139332), (588, 3027213), (684, 2602341), (686, 2594754), (756, 2354499), (798, 2230578), (843, 2111508), (882, 2018142), (931, 1911924), (972, 1831277), (1026, 1734894), (1029, 1729836), (1124, 1583631), (1134, 1569666), (1197, 1487052), (1323, 1345428), (1372, 1297377), (1539, 1156596), (1596, 1115289), (1686, 1055754), (1701, 1046444), (1764, 1009071), (1862, 955962), (1967, 904932), (2052, 867447), (2058, 864918), (2268, 784833), (2394, 743526), (2529, 703836), (2646, 672714), (2793, 637308), (3078, 578298), (3087, 576612), (3372, 527877), (3402, 523222), (3591, 495684), (3724, 477981), (3934, 452466), (3969, 448476), (4116, 432459), (4617, 385532), (4788, 371763), (5058, 351918), (5292, 336357), (5339, 333396), (5586, 318654), (5901, 301644), (6156, 289149), (6174, 288306), (6517, 273132), (6804, 261611), (7182, 247842), (7587, 234612), (7868, 226233), (7938, 224238), (8379, 212436), (9234, 192766), (9261, 192204), (10116, 175959), (10678, 166698), (10773, 165228), (11172, 159327), (11802, 150822), (11907, 149492), (12348, 144153), (13034, 136566), (13769, 129276), (14364, 123921), (15174, 117306), (15876, 112119), (16017, 111132), (16758, 106218), (17703, 100548), (18468, 96383), (18522, 96102), (19551, 91044), (21356, 83349), (21546, 82614), (22761, 78204), (23604, 75411), (23814, 74746), (25137, 70812), (26068, 68283), (27538, 64638), (27783, 64068), (30348, 58653), (32034, 55566), (32319, 55076), (33516, 53109), (35406, 50274), (37044, 48051), (37373, 47628), (39102, 45522), (41307, 43092)]