309985280

素因数分解:

$2^{17}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1$

素因数の和:93

約数の個数: 144

約数和(自身を含む): 830469024

約数和(自身を除く): 520483744

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 43, 44, 55, 64, 80, 86, 88, 110, 128, 160, 172, 176, 215, 220, 256, 320, 344, 352, 430, 440, 473, 512, 640, 688, 704, 860, 880, 946, 1024, 1280, 1376, 1408, 1720, 1760, 1892, 2048, 2365, 2560, 2752, 2816, 3440, 3520, 3784, 4096, 4730, 5120, 5504, 5632, 6880, 7040, 7568, 8192, 9460, 10240, 11008, 11264, 13760, 14080, 15136, 16384, 18920, 20480, 22016, 22528, 27520, 28160, 30272, 32768, 37840, 40960, 44032, 45056, 55040, 56320, 60544, 65536, 75680, 81920, 88064, 90112, 110080, 112640, 121088, 131072, 151360, 163840, 176128, 180224, 220160, 225280, 242176, 302720, 327680, 352256, 360448, 440320, 450560, 484352, 605440, 655360, 704512, 720896, 880640, 901120, 968704, 1210880, 1409024, 1441792, 1761280, 1802240, 1937408, 2421760, 2818048, 3522560, 3604480, 3874816, 4843520, 5636096, 7045120, 7208960, 7749632, 9687040, 14090240, 15499264, 19374080, 28180480, 30998528, 38748160, 61997056, 77496320, 154992640, 309985280]

約数ペア:

[(1, 309985280), (2, 154992640), (4, 77496320), (5, 61997056), (8, 38748160), (10, 30998528), (11, 28180480), (16, 19374080), (20, 15499264), (22, 14090240), (32, 9687040), (40, 7749632), (43, 7208960), (44, 7045120), (55, 5636096), (64, 4843520), (80, 3874816), (86, 3604480), (88, 3522560), (110, 2818048), (128, 2421760), (160, 1937408), (172, 1802240), (176, 1761280), (215, 1441792), (220, 1409024), (256, 1210880), (320, 968704), (344, 901120), (352, 880640), (430, 720896), (440, 704512), (473, 655360), (512, 605440), (640, 484352), (688, 450560), (704, 440320), (860, 360448), (880, 352256), (946, 327680), (1024, 302720), (1280, 242176), (1376, 225280), (1408, 220160), (1720, 180224), (1760, 176128), (1892, 163840), (2048, 151360), (2365, 131072), (2560, 121088), (2752, 112640), (2816, 110080), (3440, 90112), (3520, 88064), (3784, 81920), (4096, 75680), (4730, 65536), (5120, 60544), (5504, 56320), (5632, 55040), (6880, 45056), (7040, 44032), (7568, 40960), (8192, 37840), (9460, 32768), (10240, 30272), (11008, 28160), (11264, 27520), (13760, 22528), (14080, 22016), (15136, 20480), (16384, 18920)]