320787720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1373}}^1$

素因数の和:1460

約数の個数: 192

約数和(自身を含む): 1157457600

約数和(自身を除く): 836669880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 59, 60, 66, 72, 88, 90, 99, 110, 118, 120, 132, 165, 177, 180, 198, 220, 236, 264, 295, 330, 354, 360, 396, 440, 472, 495, 531, 590, 649, 660, 708, 792, 885, 990, 1062, 1180, 1298, 1320, 1373, 1416, 1770, 1947, 1980, 2124, 2360, 2596, 2655, 2746, 3245, 3540, 3894, 3960, 4119, 4248, 5192, 5310, 5492, 5841, 6490, 6865, 7080, 7788, 8238, 9735, 10620, 10984, 11682, 12357, 12980, 13730, 15103, 15576, 16476, 19470, 20595, 21240, 23364, 24714, 25960, 27460, 29205, 30206, 32952, 38940, 41190, 45309, 46728, 49428, 54920, 58410, 60412, 61785, 75515, 77880, 81007, 82380, 90618, 98856, 116820, 120824, 123570, 135927, 151030, 162014, 164760, 181236, 226545, 233640, 243021, 247140, 271854, 302060, 324028, 362472, 405035, 453090, 486042, 494280, 543708, 604120, 648056, 679635, 729063, 810070, 891077, 906180, 972084, 1087416, 1215105, 1359270, 1458126, 1620140, 1782154, 1812360, 1944168, 2430210, 2673231, 2718540, 2916252, 3240280, 3564308, 3645315, 4455385, 4860420, 5346462, 5437080, 5832504, 7128616, 7290630, 8019693, 8910770, 9720840, 10692924, 13366155, 14581260, 16039386, 17821540, 21385848, 26732310, 29162520, 32078772, 35643080, 40098465, 53464620, 64157544, 80196930, 106929240, 160393860, 320787720]

約数ペア:

[(1, 320787720), (2, 160393860), (3, 106929240), (4, 80196930), (5, 64157544), (6, 53464620), (8, 40098465), (9, 35643080), (10, 32078772), (11, 29162520), (12, 26732310), (15, 21385848), (18, 17821540), (20, 16039386), (22, 14581260), (24, 13366155), (30, 10692924), (33, 9720840), (36, 8910770), (40, 8019693), (44, 7290630), (45, 7128616), (55, 5832504), (59, 5437080), (60, 5346462), (66, 4860420), (72, 4455385), (88, 3645315), (90, 3564308), (99, 3240280), (110, 2916252), (118, 2718540), (120, 2673231), (132, 2430210), (165, 1944168), (177, 1812360), (180, 1782154), (198, 1620140), (220, 1458126), (236, 1359270), (264, 1215105), (295, 1087416), (330, 972084), (354, 906180), (360, 891077), (396, 810070), (440, 729063), (472, 679635), (495, 648056), (531, 604120), (590, 543708), (649, 494280), (660, 486042), (708, 453090), (792, 405035), (885, 362472), (990, 324028), (1062, 302060), (1180, 271854), (1298, 247140), (1320, 243021), (1373, 233640), (1416, 226545), (1770, 181236), (1947, 164760), (1980, 162014), (2124, 151030), (2360, 135927), (2596, 123570), (2655, 120824), (2746, 116820), (3245, 98856), (3540, 90618), (3894, 82380), (3960, 81007), (4119, 77880), (4248, 75515), (5192, 61785), (5310, 60412), (5492, 58410), (5841, 54920), (6490, 49428), (6865, 46728), (7080, 45309), (7788, 41190), (8238, 38940), (9735, 32952), (10620, 30206), (10984, 29205), (11682, 27460), (12357, 25960), (12980, 24714), (13730, 23364), (15103, 21240), (15576, 20595), (16476, 19470)]