66984960

素因数分解:

$2^{10}\times 3^1\times 5^1\times 7^2\times {\mathrm{89}}^1$

素因数の和:131

約数の個数: 264

約数和(自身を含む): 252026640

約数和(自身を除く): 185041680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 89, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 178, 192, 196, 210, 224, 240, 245, 256, 267, 280, 294, 320, 336, 356, 384, 392, 420, 445, 448, 480, 490, 512, 534, 560, 588, 623, 640, 672, 712, 735, 768, 784, 840, 890, 896, 960, 980, 1024, 1068, 1120, 1176, 1246, 1280, 1335, 1344, 1424, 1470, 1536, 1568, 1680, 1780, 1792, 1869, 1920, 1960, 2136, 2240, 2352, 2492, 2560, 2670, 2688, 2848, 2940, 3072, 3115, 3136, 3360, 3560, 3584, 3738, 3840, 3920, 4272, 4361, 4480, 4704, 4984, 5120, 5340, 5376, 5696, 5880, 6230, 6272, 6720, 7120, 7168, 7476, 7680, 7840, 8544, 8722, 8960, 9345, 9408, 9968, 10680, 10752, 11392, 11760, 12460, 12544, 13083, 13440, 14240, 14952, 15360, 15680, 17088, 17444, 17920, 18690, 18816, 19936, 21360, 21504, 21805, 22784, 23520, 24920, 25088, 26166, 26880, 28480, 29904, 31360, 34176, 34888, 35840, 37380, 37632, 39872, 42720, 43610, 45568, 47040, 49840, 50176, 52332, 53760, 56960, 59808, 62720, 65415, 68352, 69776, 74760, 75264, 79744, 85440, 87220, 91136, 94080, 99680, 104664, 107520, 113920, 119616, 125440, 130830, 136704, 139552, 149520, 150528, 159488, 170880, 174440, 188160, 199360, 209328, 227840, 239232, 250880, 261660, 273408, 279104, 299040, 318976, 341760, 348880, 376320, 398720, 418656, 455680, 478464, 523320, 558208, 598080, 637952, 683520, 697760, 752640, 797440, 837312, 956928, 1046640, 1116416, 1196160, 1367040, 1395520, 1594880, 1674624, 1913856, 2093280, 2232832, 2392320, 2791040, 3189760, 3349248, 4186560, 4465664, 4784640, 5582080, 6698496, 8373120, 9569280, 11164160, 13396992, 16746240, 22328320, 33492480, 66984960]

約数ペア:

[(1, 66984960), (2, 33492480), (3, 22328320), (4, 16746240), (5, 13396992), (6, 11164160), (7, 9569280), (8, 8373120), (10, 6698496), (12, 5582080), (14, 4784640), (15, 4465664), (16, 4186560), (20, 3349248), (21, 3189760), (24, 2791040), (28, 2392320), (30, 2232832), (32, 2093280), (35, 1913856), (40, 1674624), (42, 1594880), (48, 1395520), (49, 1367040), (56, 1196160), (60, 1116416), (64, 1046640), (70, 956928), (80, 837312), (84, 797440), (89, 752640), (96, 697760), (98, 683520), (105, 637952), (112, 598080), (120, 558208), (128, 523320), (140, 478464), (147, 455680), (160, 418656), (168, 398720), (178, 376320), (192, 348880), (196, 341760), (210, 318976), (224, 299040), (240, 279104), (245, 273408), (256, 261660), (267, 250880), (280, 239232), (294, 227840), (320, 209328), (336, 199360), (356, 188160), (384, 174440), (392, 170880), (420, 159488), (445, 150528), (448, 149520), (480, 139552), (490, 136704), (512, 130830), (534, 125440), (560, 119616), (588, 113920), (623, 107520), (640, 104664), (672, 99680), (712, 94080), (735, 91136), (768, 87220), (784, 85440), (840, 79744), (890, 75264), (896, 74760), (960, 69776), (980, 68352), (1024, 65415), (1068, 62720), (1120, 59808), (1176, 56960), (1246, 53760), (1280, 52332), (1335, 50176), (1344, 49840), (1424, 47040), (1470, 45568), (1536, 43610), (1568, 42720), (1680, 39872), (1780, 37632), (1792, 37380), (1869, 35840), (1920, 34888), (1960, 34176), (2136, 31360), (2240, 29904), (2352, 28480), (2492, 26880), (2560, 26166), (2670, 25088), (2688, 24920), (2848, 23520), (2940, 22784), (3072, 21805), (3115, 21504), (3136, 21360), (3360, 19936), (3560, 18816), (3584, 18690), (3738, 17920), (3840, 17444), (3920, 17088), (4272, 15680), (4361, 15360), (4480, 14952), (4704, 14240), (4984, 13440), (5120, 13083), (5340, 12544), (5376, 12460), (5696, 11760), (5880, 11392), (6230, 10752), (6272, 10680), (6720, 9968), (7120, 9408), (7168, 9345), (7476, 8960), (7680, 8722), (7840, 8544)]