1311776640

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{75913}}^1$

素因数の和:75941

約数の個数: 128

約数和(自身を含む): 4645936800

約数和(自身を除く): 3334160160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1440, 1728, 1920, 2160, 2880, 3456, 4320, 5760, 8640, 17280, 75913, 151826, 227739, 303652, 379565, 455478, 607304, 683217, 759130, 910956, 1138695, 1214608, 1366434, 1518260, 1821912, 2049651, 2277390, 2429216, 2732868, 3036520, 3416085, 3643824, 4099302, 4554780, 4858432, 5465736, 6073040, 6832170, 7287648, 8198604, 9109560, 9716864, 10248255, 10931472, 12146080, 13664340, 14575296, 16397208, 18219120, 20496510, 21862944, 24292160, 27328680, 29150592, 32794416, 36438240, 40993020, 43725888, 48584320, 54657360, 65588832, 72876480, 81986040, 87451776, 109314720, 131177664, 145752960, 163972080, 218629440, 262355328, 327944160, 437258880, 655888320, 1311776640]

約数ペア:

[(1, 1311776640), (2, 655888320), (3, 437258880), (4, 327944160), (5, 262355328), (6, 218629440), (8, 163972080), (9, 145752960), (10, 131177664), (12, 109314720), (15, 87451776), (16, 81986040), (18, 72876480), (20, 65588832), (24, 54657360), (27, 48584320), (30, 43725888), (32, 40993020), (36, 36438240), (40, 32794416), (45, 29150592), (48, 27328680), (54, 24292160), (60, 21862944), (64, 20496510), (72, 18219120), (80, 16397208), (90, 14575296), (96, 13664340), (108, 12146080), (120, 10931472), (128, 10248255), (135, 9716864), (144, 9109560), (160, 8198604), (180, 7287648), (192, 6832170), (216, 6073040), (240, 5465736), (270, 4858432), (288, 4554780), (320, 4099302), (360, 3643824), (384, 3416085), (432, 3036520), (480, 2732868), (540, 2429216), (576, 2277390), (640, 2049651), (720, 1821912), (864, 1518260), (960, 1366434), (1080, 1214608), (1152, 1138695), (1440, 910956), (1728, 759130), (1920, 683217), (2160, 607304), (2880, 455478), (3456, 379565), (4320, 303652), (5760, 227739), (8640, 151826), (17280, 75913)]