1281292800

素因数分解:

$2^9\times 3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{547}}^1$

素因数の和:639

約数の個数: 240

約数和(自身を含む): 4309923552

約数和(自身を除く): 3028630752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 61, 64, 75, 80, 96, 100, 120, 122, 128, 150, 160, 183, 192, 200, 240, 244, 256, 300, 305, 320, 366, 384, 400, 480, 488, 512, 547, 600, 610, 640, 732, 768, 800, 915, 960, 976, 1094, 1200, 1220, 1280, 1464, 1525, 1536, 1600, 1641, 1830, 1920, 1952, 2188, 2400, 2440, 2560, 2735, 2928, 3050, 3200, 3282, 3660, 3840, 3904, 4376, 4575, 4800, 4880, 5470, 5856, 6100, 6400, 6564, 7320, 7680, 7808, 8205, 8752, 9150, 9600, 9760, 10940, 11712, 12200, 12800, 13128, 13675, 14640, 15616, 16410, 17504, 18300, 19200, 19520, 21880, 23424, 24400, 26256, 27350, 29280, 31232, 32820, 33367, 35008, 36600, 38400, 39040, 41025, 43760, 46848, 48800, 52512, 54700, 58560, 65640, 66734, 70016, 73200, 78080, 82050, 87520, 93696, 97600, 100101, 105024, 109400, 117120, 131280, 133468, 140032, 146400, 156160, 164100, 166835, 175040, 195200, 200202, 210048, 218800, 234240, 262560, 266936, 280064, 292800, 328200, 333670, 350080, 390400, 400404, 420096, 437600, 468480, 500505, 525120, 533872, 585600, 656400, 667340, 700160, 780800, 800808, 834175, 840192, 875200, 1001010, 1050240, 1067744, 1171200, 1312800, 1334680, 1400320, 1601616, 1668350, 1750400, 2002020, 2100480, 2135488, 2342400, 2502525, 2625600, 2669360, 3203232, 3336700, 3500800, 4004040, 4200960, 4270976, 5005050, 5251200, 5338720, 6406464, 6673400, 7001600, 8008080, 8541952, 10010100, 10502400, 10677440, 12812928, 13346800, 16016160, 17083904, 20020200, 21004800, 21354880, 25625856, 26693600, 32032320, 40040400, 42709760, 51251712, 53387200, 64064640, 80080800, 85419520, 106774400, 128129280, 160161600, 213548800, 256258560, 320323200, 427097600, 640646400, 1281292800]

約数ペア:

[(1, 1281292800), (2, 640646400), (3, 427097600), (4, 320323200), (5, 256258560), (6, 213548800), (8, 160161600), (10, 128129280), (12, 106774400), (15, 85419520), (16, 80080800), (20, 64064640), (24, 53387200), (25, 51251712), (30, 42709760), (32, 40040400), (40, 32032320), (48, 26693600), (50, 25625856), (60, 21354880), (61, 21004800), (64, 20020200), (75, 17083904), (80, 16016160), (96, 13346800), (100, 12812928), (120, 10677440), (122, 10502400), (128, 10010100), (150, 8541952), (160, 8008080), (183, 7001600), (192, 6673400), (200, 6406464), (240, 5338720), (244, 5251200), (256, 5005050), (300, 4270976), (305, 4200960), (320, 4004040), (366, 3500800), (384, 3336700), (400, 3203232), (480, 2669360), (488, 2625600), (512, 2502525), (547, 2342400), (600, 2135488), (610, 2100480), (640, 2002020), (732, 1750400), (768, 1668350), (800, 1601616), (915, 1400320), (960, 1334680), (976, 1312800), (1094, 1171200), (1200, 1067744), (1220, 1050240), (1280, 1001010), (1464, 875200), (1525, 840192), (1536, 834175), (1600, 800808), (1641, 780800), (1830, 700160), (1920, 667340), (1952, 656400), (2188, 585600), (2400, 533872), (2440, 525120), (2560, 500505), (2735, 468480), (2928, 437600), (3050, 420096), (3200, 400404), (3282, 390400), (3660, 350080), (3840, 333670), (3904, 328200), (4376, 292800), (4575, 280064), (4800, 266936), (4880, 262560), (5470, 234240), (5856, 218800), (6100, 210048), (6400, 200202), (6564, 195200), (7320, 175040), (7680, 166835), (7808, 164100), (8205, 156160), (8752, 146400), (9150, 140032), (9600, 133468), (9760, 131280), (10940, 117120), (11712, 109400), (12200, 105024), (12800, 100101), (13128, 97600), (13675, 93696), (14640, 87520), (15616, 82050), (16410, 78080), (17504, 73200), (18300, 70016), (19200, 66734), (19520, 65640), (21880, 58560), (23424, 54700), (24400, 52512), (26256, 48800), (27350, 46848), (29280, 43760), (31232, 41025), (32820, 39040), (33367, 38400), (35008, 36600)]