205463040

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{863}}^1$

素因数の和:920

約数の個数: 160

約数和(自身を含む): 678813696

約数和(自身を除く): 473350656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 372, 384, 465, 480, 496, 512, 620, 640, 744, 768, 863, 930, 960, 992, 1240, 1280, 1488, 1536, 1726, 1860, 1920, 1984, 2480, 2560, 2589, 2976, 3452, 3720, 3840, 3968, 4315, 4960, 5178, 5952, 6904, 7440, 7680, 7936, 8630, 9920, 10356, 11904, 12945, 13808, 14880, 15872, 17260, 19840, 20712, 23808, 25890, 26753, 27616, 29760, 34520, 39680, 41424, 47616, 51780, 53506, 55232, 59520, 69040, 79360, 80259, 82848, 103560, 107012, 110464, 119040, 133765, 138080, 160518, 165696, 207120, 214024, 220928, 238080, 267530, 276160, 321036, 331392, 401295, 414240, 428048, 441856, 535060, 552320, 642072, 662784, 802590, 828480, 856096, 1070120, 1104640, 1284144, 1325568, 1605180, 1656960, 1712192, 2140240, 2209280, 2568288, 3210360, 3313920, 3424384, 4280480, 5136576, 6420720, 6627840, 6848768, 8560960, 10273152, 12841440, 13697536, 17121920, 20546304, 25682880, 34243840, 41092608, 51365760, 68487680, 102731520, 205463040]

約数ペア:

[(1, 205463040), (2, 102731520), (3, 68487680), (4, 51365760), (5, 41092608), (6, 34243840), (8, 25682880), (10, 20546304), (12, 17121920), (15, 13697536), (16, 12841440), (20, 10273152), (24, 8560960), (30, 6848768), (31, 6627840), (32, 6420720), (40, 5136576), (48, 4280480), (60, 3424384), (62, 3313920), (64, 3210360), (80, 2568288), (93, 2209280), (96, 2140240), (120, 1712192), (124, 1656960), (128, 1605180), (155, 1325568), (160, 1284144), (186, 1104640), (192, 1070120), (240, 856096), (248, 828480), (256, 802590), (310, 662784), (320, 642072), (372, 552320), (384, 535060), (465, 441856), (480, 428048), (496, 414240), (512, 401295), (620, 331392), (640, 321036), (744, 276160), (768, 267530), (863, 238080), (930, 220928), (960, 214024), (992, 207120), (1240, 165696), (1280, 160518), (1488, 138080), (1536, 133765), (1726, 119040), (1860, 110464), (1920, 107012), (1984, 103560), (2480, 82848), (2560, 80259), (2589, 79360), (2976, 69040), (3452, 59520), (3720, 55232), (3840, 53506), (3968, 51780), (4315, 47616), (4960, 41424), (5178, 39680), (5952, 34520), (6904, 29760), (7440, 27616), (7680, 26753), (7936, 25890), (8630, 23808), (9920, 20712), (10356, 19840), (11904, 17260), (12945, 15872), (13808, 14880)]