251393280

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3851}}^1$

素因数の和:3892

約数の個数: 144

約数和(自身を含む): 850336704

約数和(自身を除く): 598943424

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 256, 272, 320, 340, 384, 408, 480, 510, 544, 640, 680, 768, 816, 960, 1020, 1088, 1280, 1360, 1632, 1920, 2040, 2176, 2720, 3264, 3840, 3851, 4080, 4352, 5440, 6528, 7702, 8160, 10880, 11553, 13056, 15404, 16320, 19255, 21760, 23106, 30808, 32640, 38510, 46212, 57765, 61616, 65280, 65467, 77020, 92424, 115530, 123232, 130934, 154040, 184848, 196401, 231060, 246464, 261868, 308080, 327335, 369696, 392802, 462120, 492928, 523736, 616160, 654670, 739392, 785604, 924240, 982005, 985856, 1047472, 1232320, 1309340, 1478784, 1571208, 1848480, 1964010, 2094944, 2464640, 2618680, 2957568, 3142416, 3696960, 3928020, 4189888, 4929280, 5237360, 6284832, 7393920, 7856040, 8379776, 10474720, 12569664, 14787840, 15712080, 16759552, 20949440, 25139328, 31424160, 41898880, 50278656, 62848320, 83797760, 125696640, 251393280]

約数ペア:

[(1, 251393280), (2, 125696640), (3, 83797760), (4, 62848320), (5, 50278656), (6, 41898880), (8, 31424160), (10, 25139328), (12, 20949440), (15, 16759552), (16, 15712080), (17, 14787840), (20, 12569664), (24, 10474720), (30, 8379776), (32, 7856040), (34, 7393920), (40, 6284832), (48, 5237360), (51, 4929280), (60, 4189888), (64, 3928020), (68, 3696960), (80, 3142416), (85, 2957568), (96, 2618680), (102, 2464640), (120, 2094944), (128, 1964010), (136, 1848480), (160, 1571208), (170, 1478784), (192, 1309340), (204, 1232320), (240, 1047472), (255, 985856), (256, 982005), (272, 924240), (320, 785604), (340, 739392), (384, 654670), (408, 616160), (480, 523736), (510, 492928), (544, 462120), (640, 392802), (680, 369696), (768, 327335), (816, 308080), (960, 261868), (1020, 246464), (1088, 231060), (1280, 196401), (1360, 184848), (1632, 154040), (1920, 130934), (2040, 123232), (2176, 115530), (2720, 92424), (3264, 77020), (3840, 65467), (3851, 65280), (4080, 61616), (4352, 57765), (5440, 46212), (6528, 38510), (7702, 32640), (8160, 30808), (10880, 23106), (11553, 21760), (13056, 19255), (15404, 16320)]