64874880

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{1609}}^1$

素因数の和:1641

約数の個数: 192

約数和(自身を含む): 256183200

約数和(自身を除く): 191308320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1609, 1680, 1920, 2016, 2240, 2520, 2688, 2880, 3218, 3360, 4032, 4480, 4827, 5040, 5760, 6436, 6720, 8045, 8064, 9654, 10080, 11263, 12872, 13440, 14481, 16090, 19308, 20160, 22526, 24135, 25744, 28962, 32180, 33789, 38616, 40320, 45052, 48270, 51488, 56315, 57924, 64360, 67578, 72405, 77232, 90104, 96540, 101367, 102976, 112630, 115848, 128720, 135156, 144810, 154464, 168945, 180208, 193080, 202734, 205952, 225260, 231696, 257440, 270312, 289620, 308928, 337890, 360416, 386160, 405468, 450520, 463392, 506835, 514880, 540624, 579240, 617856, 675780, 720832, 772320, 810936, 901040, 926784, 1013670, 1029760, 1081248, 1158480, 1351560, 1441664, 1544640, 1621872, 1802080, 1853568, 2027340, 2162496, 2316960, 2703120, 3089280, 3243744, 3604160, 4054680, 4324992, 4633920, 5406240, 6487488, 7208320, 8109360, 9267840, 10812480, 12974976, 16218720, 21624960, 32437440, 64874880]

約数ペア:

[(1, 64874880), (2, 32437440), (3, 21624960), (4, 16218720), (5, 12974976), (6, 10812480), (7, 9267840), (8, 8109360), (9, 7208320), (10, 6487488), (12, 5406240), (14, 4633920), (15, 4324992), (16, 4054680), (18, 3604160), (20, 3243744), (21, 3089280), (24, 2703120), (28, 2316960), (30, 2162496), (32, 2027340), (35, 1853568), (36, 1802080), (40, 1621872), (42, 1544640), (45, 1441664), (48, 1351560), (56, 1158480), (60, 1081248), (63, 1029760), (64, 1013670), (70, 926784), (72, 901040), (80, 810936), (84, 772320), (90, 720832), (96, 675780), (105, 617856), (112, 579240), (120, 540624), (126, 514880), (128, 506835), (140, 463392), (144, 450520), (160, 405468), (168, 386160), (180, 360416), (192, 337890), (210, 308928), (224, 289620), (240, 270312), (252, 257440), (280, 231696), (288, 225260), (315, 205952), (320, 202734), (336, 193080), (360, 180208), (384, 168945), (420, 154464), (448, 144810), (480, 135156), (504, 128720), (560, 115848), (576, 112630), (630, 102976), (640, 101367), (672, 96540), (720, 90104), (840, 77232), (896, 72405), (960, 67578), (1008, 64360), (1120, 57924), (1152, 56315), (1260, 51488), (1344, 48270), (1440, 45052), (1609, 40320), (1680, 38616), (1920, 33789), (2016, 32180), (2240, 28962), (2520, 25744), (2688, 24135), (2880, 22526), (3218, 20160), (3360, 19308), (4032, 16090), (4480, 14481), (4827, 13440), (5040, 12872), (5760, 11263), (6436, 10080), (6720, 9654), (8045, 8064)]