1721943360

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2143}}^1$

素因数の和:2203

約数の個数: 280

約数和(自身を含む): 6325794816

約数和(自身を除く): 4603851456

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 72, 80, 81, 90, 93, 96, 108, 120, 124, 135, 144, 155, 160, 162, 180, 186, 192, 216, 240, 248, 270, 279, 288, 310, 320, 324, 360, 372, 405, 432, 465, 480, 496, 540, 558, 576, 620, 648, 720, 744, 810, 837, 864, 930, 960, 992, 1080, 1116, 1240, 1296, 1395, 1440, 1488, 1620, 1674, 1728, 1860, 1984, 2143, 2160, 2232, 2480, 2511, 2592, 2790, 2880, 2976, 3240, 3348, 3720, 4185, 4286, 4320, 4464, 4960, 5022, 5184, 5580, 5952, 6429, 6480, 6696, 7440, 8370, 8572, 8640, 8928, 9920, 10044, 10715, 11160, 12555, 12858, 12960, 13392, 14880, 16740, 17144, 17856, 19287, 20088, 21430, 22320, 25110, 25716, 25920, 26784, 29760, 32145, 33480, 34288, 38574, 40176, 42860, 44640, 50220, 51432, 53568, 57861, 64290, 66433, 66960, 68576, 77148, 80352, 85720, 89280, 96435, 100440, 102864, 115722, 128580, 132866, 133920, 137152, 154296, 160704, 171440, 173583, 192870, 199299, 200880, 205728, 231444, 257160, 265732, 267840, 289305, 308592, 332165, 342880, 347166, 385740, 398598, 401760, 411456, 462888, 514320, 531464, 578610, 597897, 617184, 664330, 685760, 694332, 771480, 797196, 803520, 867915, 925776, 996495, 1028640, 1062928, 1157220, 1195794, 1234368, 1328660, 1388664, 1542960, 1594392, 1735830, 1793691, 1851552, 1992990, 2057280, 2125856, 2314440, 2391588, 2657320, 2777328, 2989485, 3085920, 3188784, 3471660, 3587382, 3703104, 3985980, 4251712, 4628880, 4783176, 5314640, 5381073, 5554656, 5978970, 6171840, 6377568, 6943320, 7174764, 7971960, 8968455, 9257760, 9566352, 10629280, 10762146, 11109312, 11957940, 12755136, 13886640, 14349528, 15943920, 17936910, 18515520, 19132704, 21258560, 21524292, 23915880, 26905365, 27773280, 28699056, 31887840, 35873820, 38265408, 43048584, 47831760, 53810730, 55546560, 57398112, 63775680, 71747640, 86097168, 95663520, 107621460, 114796224, 143495280, 172194336, 191327040, 215242920, 286990560, 344388672, 430485840, 573981120, 860971680, 1721943360]

約数ペア:

[(1, 1721943360), (2, 860971680), (3, 573981120), (4, 430485840), (5, 344388672), (6, 286990560), (8, 215242920), (9, 191327040), (10, 172194336), (12, 143495280), (15, 114796224), (16, 107621460), (18, 95663520), (20, 86097168), (24, 71747640), (27, 63775680), (30, 57398112), (31, 55546560), (32, 53810730), (36, 47831760), (40, 43048584), (45, 38265408), (48, 35873820), (54, 31887840), (60, 28699056), (62, 27773280), (64, 26905365), (72, 23915880), (80, 21524292), (81, 21258560), (90, 19132704), (93, 18515520), (96, 17936910), (108, 15943920), (120, 14349528), (124, 13886640), (135, 12755136), (144, 11957940), (155, 11109312), (160, 10762146), (162, 10629280), (180, 9566352), (186, 9257760), (192, 8968455), (216, 7971960), (240, 7174764), (248, 6943320), (270, 6377568), (279, 6171840), (288, 5978970), (310, 5554656), (320, 5381073), (324, 5314640), (360, 4783176), (372, 4628880), (405, 4251712), (432, 3985980), (465, 3703104), (480, 3587382), (496, 3471660), (540, 3188784), (558, 3085920), (576, 2989485), (620, 2777328), (648, 2657320), (720, 2391588), (744, 2314440), (810, 2125856), (837, 2057280), (864, 1992990), (930, 1851552), (960, 1793691), (992, 1735830), (1080, 1594392), (1116, 1542960), (1240, 1388664), (1296, 1328660), (1395, 1234368), (1440, 1195794), (1488, 1157220), (1620, 1062928), (1674, 1028640), (1728, 996495), (1860, 925776), (1984, 867915), (2143, 803520), (2160, 797196), (2232, 771480), (2480, 694332), (2511, 685760), (2592, 664330), (2790, 617184), (2880, 597897), (2976, 578610), (3240, 531464), (3348, 514320), (3720, 462888), (4185, 411456), (4286, 401760), (4320, 398598), (4464, 385740), (4960, 347166), (5022, 342880), (5184, 332165), (5580, 308592), (5952, 289305), (6429, 267840), (6480, 265732), (6696, 257160), (7440, 231444), (8370, 205728), (8572, 200880), (8640, 199299), (8928, 192870), (9920, 173583), (10044, 171440), (10715, 160704), (11160, 154296), (12555, 137152), (12858, 133920), (12960, 132866), (13392, 128580), (14880, 115722), (16740, 102864), (17144, 100440), (17856, 96435), (19287, 89280), (20088, 85720), (21430, 80352), (22320, 77148), (25110, 68576), (25716, 66960), (25920, 66433), (26784, 64290), (29760, 57861), (32145, 53568), (33480, 51432), (34288, 50220), (38574, 44640), (40176, 42860)]