131024640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:402

約数の個数: 144

約数和(自身を含む): 423108000

約数和(自身を除く): 292083360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 149, 160, 192, 229, 240, 256, 298, 320, 384, 447, 458, 480, 596, 640, 687, 745, 768, 894, 916, 960, 1145, 1192, 1280, 1374, 1490, 1788, 1832, 1920, 2235, 2290, 2384, 2748, 2980, 3435, 3576, 3664, 3840, 4470, 4580, 4768, 5496, 5960, 6870, 7152, 7328, 8940, 9160, 9536, 10992, 11920, 13740, 14304, 14656, 17880, 18320, 19072, 21984, 23840, 27480, 28608, 29312, 34121, 35760, 36640, 38144, 43968, 47680, 54960, 57216, 58624, 68242, 71520, 73280, 87936, 95360, 102363, 109920, 114432, 136484, 143040, 146560, 170605, 175872, 190720, 204726, 219840, 272968, 286080, 293120, 341210, 409452, 439680, 511815, 545936, 572160, 682420, 818904, 879360, 1023630, 1091872, 1364840, 1637808, 2047260, 2183744, 2729680, 3275616, 4094520, 4367488, 5459360, 6551232, 8189040, 8734976, 10918720, 13102464, 16378080, 21837440, 26204928, 32756160, 43674880, 65512320, 131024640]

約数ペア:

[(1, 131024640), (2, 65512320), (3, 43674880), (4, 32756160), (5, 26204928), (6, 21837440), (8, 16378080), (10, 13102464), (12, 10918720), (15, 8734976), (16, 8189040), (20, 6551232), (24, 5459360), (30, 4367488), (32, 4094520), (40, 3275616), (48, 2729680), (60, 2183744), (64, 2047260), (80, 1637808), (96, 1364840), (120, 1091872), (128, 1023630), (149, 879360), (160, 818904), (192, 682420), (229, 572160), (240, 545936), (256, 511815), (298, 439680), (320, 409452), (384, 341210), (447, 293120), (458, 286080), (480, 272968), (596, 219840), (640, 204726), (687, 190720), (745, 175872), (768, 170605), (894, 146560), (916, 143040), (960, 136484), (1145, 114432), (1192, 109920), (1280, 102363), (1374, 95360), (1490, 87936), (1788, 73280), (1832, 71520), (1920, 68242), (2235, 58624), (2290, 57216), (2384, 54960), (2748, 47680), (2980, 43968), (3435, 38144), (3576, 36640), (3664, 35760), (3840, 34121), (4470, 29312), (4580, 28608), (4768, 27480), (5496, 23840), (5960, 21984), (6870, 19072), (7152, 18320), (7328, 17880), (8940, 14656), (9160, 14304), (9536, 13740), (10992, 11920)]