255281280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4289}}^1$

素因数の和:4342

約数の個数: 128

約数和(自身を含む): 840153600

約数和(自身を除く): 584872320

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, 310, 320, 372, 384, 465, 480, 496, 620, 640, 744, 930, 960, 992, 1240, 1488, 1860, 1920, 1984, 2480, 2976, 3720, 3968, 4289, 4960, 5952, 7440, 8578, 9920, 11904, 12867, 14880, 17156, 19840, 21445, 25734, 29760, 34312, 42890, 51468, 59520, 64335, 68624, 85780, 102936, 128670, 132959, 137248, 171560, 205872, 257340, 265918, 274496, 343120, 398877, 411744, 514680, 531836, 548992, 664795, 686240, 797754, 823488, 1029360, 1063672, 1329590, 1372480, 1595508, 1646976, 1994385, 2058720, 2127344, 2659180, 2744960, 3191016, 3988770, 4117440, 4254688, 5318360, 6382032, 7977540, 8234880, 8509376, 10636720, 12764064, 15955080, 17018752, 21273440, 25528128, 31910160, 42546880, 51056256, 63820320, 85093760, 127640640, 255281280]

約数ペア:

[(1, 255281280), (2, 127640640), (3, 85093760), (4, 63820320), (5, 51056256), (6, 42546880), (8, 31910160), (10, 25528128), (12, 21273440), (15, 17018752), (16, 15955080), (20, 12764064), (24, 10636720), (30, 8509376), (31, 8234880), (32, 7977540), (40, 6382032), (48, 5318360), (60, 4254688), (62, 4117440), (64, 3988770), (80, 3191016), (93, 2744960), (96, 2659180), (120, 2127344), (124, 2058720), (128, 1994385), (155, 1646976), (160, 1595508), (186, 1372480), (192, 1329590), (240, 1063672), (248, 1029360), (310, 823488), (320, 797754), (372, 686240), (384, 664795), (465, 548992), (480, 531836), (496, 514680), (620, 411744), (640, 398877), (744, 343120), (930, 274496), (960, 265918), (992, 257340), (1240, 205872), (1488, 171560), (1860, 137248), (1920, 132959), (1984, 128670), (2480, 102936), (2976, 85780), (3720, 68624), (3968, 64335), (4289, 59520), (4960, 51468), (5952, 42890), (7440, 34312), (8578, 29760), (9920, 25734), (11904, 21445), (12867, 19840), (14880, 17156)]