254864640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2141}}^1$

素因数の和:2196

約数の個数: 144

約数和(自身を含む): 840623616

約数和(自身を除く): 585758976

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, 620, 640, 744, 768, 930, 960, 992, 1240, 1280, 1488, 1860, 1920, 1984, 2141, 2480, 2976, 3720, 3840, 3968, 4282, 4960, 5952, 6423, 7440, 7936, 8564, 9920, 10705, 11904, 12846, 14880, 17128, 19840, 21410, 23808, 25692, 29760, 32115, 34256, 39680, 42820, 51384, 59520, 64230, 66371, 68512, 85640, 102768, 119040, 128460, 132742, 137024, 171280, 199113, 205536, 256920, 265484, 274048, 331855, 342560, 398226, 411072, 513840, 530968, 548096, 663710, 685120, 796452, 822144, 995565, 1027680, 1061936, 1327420, 1370240, 1592904, 1644288, 1991130, 2055360, 2123872, 2654840, 2740480, 3185808, 3982260, 4110720, 4247744, 5309680, 6371616, 7964520, 8221440, 8495488, 10619360, 12743232, 15929040, 16990976, 21238720, 25486464, 31858080, 42477440, 50972928, 63716160, 84954880, 127432320, 254864640]

約数ペア:

[(1, 254864640), (2, 127432320), (3, 84954880), (4, 63716160), (5, 50972928), (6, 42477440), (8, 31858080), (10, 25486464), (12, 21238720), (15, 16990976), (16, 15929040), (20, 12743232), (24, 10619360), (30, 8495488), (31, 8221440), (32, 7964520), (40, 6371616), (48, 5309680), (60, 4247744), (62, 4110720), (64, 3982260), (80, 3185808), (93, 2740480), (96, 2654840), (120, 2123872), (124, 2055360), (128, 1991130), (155, 1644288), (160, 1592904), (186, 1370240), (192, 1327420), (240, 1061936), (248, 1027680), (256, 995565), (310, 822144), (320, 796452), (372, 685120), (384, 663710), (465, 548096), (480, 530968), (496, 513840), (620, 411072), (640, 398226), (744, 342560), (768, 331855), (930, 274048), (960, 265484), (992, 256920), (1240, 205536), (1280, 199113), (1488, 171280), (1860, 137024), (1920, 132742), (1984, 128460), (2141, 119040), (2480, 102768), (2976, 85640), (3720, 68512), (3840, 66371), (3968, 64230), (4282, 59520), (4960, 51384), (5952, 42820), (6423, 39680), (7440, 34256), (7936, 32115), (8564, 29760), (9920, 25692), (10705, 23808), (11904, 21410), (12846, 19840), (14880, 17128)]