256828800

素因数分解:

$2^7\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{863}}^1$

素因数の和:921

約数の個数: 192

約数和(自身を含む): 874229760

約数和(自身を除く): 617400960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 31, 32, 40, 48, 50, 60, 62, 64, 75, 80, 93, 96, 100, 120, 124, 128, 150, 155, 160, 186, 192, 200, 240, 248, 300, 310, 320, 372, 384, 400, 465, 480, 496, 600, 620, 640, 744, 775, 800, 863, 930, 960, 992, 1200, 1240, 1488, 1550, 1600, 1726, 1860, 1920, 1984, 2325, 2400, 2480, 2589, 2976, 3100, 3200, 3452, 3720, 3968, 4315, 4650, 4800, 4960, 5178, 5952, 6200, 6904, 7440, 8630, 9300, 9600, 9920, 10356, 11904, 12400, 12945, 13808, 14880, 17260, 18600, 19840, 20712, 21575, 24800, 25890, 26753, 27616, 29760, 34520, 37200, 41424, 43150, 49600, 51780, 53506, 55232, 59520, 64725, 69040, 74400, 80259, 82848, 86300, 99200, 103560, 107012, 110464, 129450, 133765, 138080, 148800, 160518, 165696, 172600, 207120, 214024, 258900, 267530, 276160, 297600, 321036, 331392, 345200, 401295, 414240, 428048, 517800, 535060, 552320, 642072, 668825, 690400, 802590, 828480, 856096, 1035600, 1070120, 1284144, 1337650, 1380800, 1605180, 1656960, 1712192, 2006475, 2071200, 2140240, 2568288, 2675300, 2761600, 3210360, 3424384, 4012950, 4142400, 4280480, 5136576, 5350600, 6420720, 8025900, 8284800, 8560960, 10273152, 10701200, 12841440, 16051800, 17121920, 21402400, 25682880, 32103600, 42804800, 51365760, 64207200, 85609600, 128414400, 256828800]

約数ペア:

[(1, 256828800), (2, 128414400), (3, 85609600), (4, 64207200), (5, 51365760), (6, 42804800), (8, 32103600), (10, 25682880), (12, 21402400), (15, 17121920), (16, 16051800), (20, 12841440), (24, 10701200), (25, 10273152), (30, 8560960), (31, 8284800), (32, 8025900), (40, 6420720), (48, 5350600), (50, 5136576), (60, 4280480), (62, 4142400), (64, 4012950), (75, 3424384), (80, 3210360), (93, 2761600), (96, 2675300), (100, 2568288), (120, 2140240), (124, 2071200), (128, 2006475), (150, 1712192), (155, 1656960), (160, 1605180), (186, 1380800), (192, 1337650), (200, 1284144), (240, 1070120), (248, 1035600), (300, 856096), (310, 828480), (320, 802590), (372, 690400), (384, 668825), (400, 642072), (465, 552320), (480, 535060), (496, 517800), (600, 428048), (620, 414240), (640, 401295), (744, 345200), (775, 331392), (800, 321036), (863, 297600), (930, 276160), (960, 267530), (992, 258900), (1200, 214024), (1240, 207120), (1488, 172600), (1550, 165696), (1600, 160518), (1726, 148800), (1860, 138080), (1920, 133765), (1984, 129450), (2325, 110464), (2400, 107012), (2480, 103560), (2589, 99200), (2976, 86300), (3100, 82848), (3200, 80259), (3452, 74400), (3720, 69040), (3968, 64725), (4315, 59520), (4650, 55232), (4800, 53506), (4960, 51780), (5178, 49600), (5952, 43150), (6200, 41424), (6904, 37200), (7440, 34520), (8630, 29760), (9300, 27616), (9600, 26753), (9920, 25890), (10356, 24800), (11904, 21575), (12400, 20712), (12945, 19840), (13808, 18600), (14880, 17260)]