273989120

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:216

約数の個数: 160

約数和(自身を含む): 712990080

約数和(自身を除く): 439000960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 43, 64, 76, 80, 86, 95, 128, 131, 152, 160, 172, 190, 215, 256, 262, 304, 320, 344, 380, 430, 512, 524, 608, 640, 655, 688, 760, 817, 860, 1048, 1216, 1280, 1310, 1376, 1520, 1634, 1720, 2096, 2432, 2489, 2560, 2620, 2752, 3040, 3268, 3440, 4085, 4192, 4864, 4978, 5240, 5504, 5633, 6080, 6536, 6880, 8170, 8384, 9728, 9956, 10480, 11008, 11266, 12160, 12445, 13072, 13760, 16340, 16768, 19912, 20960, 22016, 22532, 24320, 24890, 26144, 27520, 28165, 32680, 33536, 39824, 41920, 45064, 48640, 49780, 52288, 55040, 56330, 65360, 67072, 79648, 83840, 90128, 99560, 104576, 107027, 110080, 112660, 130720, 159296, 167680, 180256, 199120, 209152, 214054, 225320, 261440, 318592, 335360, 360512, 398240, 418304, 428108, 450640, 522880, 535135, 637184, 721024, 796480, 856216, 901280, 1045760, 1070270, 1274368, 1442048, 1592960, 1712432, 1802560, 2091520, 2140540, 2884096, 3185920, 3424864, 3605120, 4281080, 6371840, 6849728, 7210240, 8562160, 13699456, 14420480, 17124320, 27398912, 34248640, 54797824, 68497280, 136994560, 273989120]

約数ペア:

[(1, 273989120), (2, 136994560), (4, 68497280), (5, 54797824), (8, 34248640), (10, 27398912), (16, 17124320), (19, 14420480), (20, 13699456), (32, 8562160), (38, 7210240), (40, 6849728), (43, 6371840), (64, 4281080), (76, 3605120), (80, 3424864), (86, 3185920), (95, 2884096), (128, 2140540), (131, 2091520), (152, 1802560), (160, 1712432), (172, 1592960), (190, 1442048), (215, 1274368), (256, 1070270), (262, 1045760), (304, 901280), (320, 856216), (344, 796480), (380, 721024), (430, 637184), (512, 535135), (524, 522880), (608, 450640), (640, 428108), (655, 418304), (688, 398240), (760, 360512), (817, 335360), (860, 318592), (1048, 261440), (1216, 225320), (1280, 214054), (1310, 209152), (1376, 199120), (1520, 180256), (1634, 167680), (1720, 159296), (2096, 130720), (2432, 112660), (2489, 110080), (2560, 107027), (2620, 104576), (2752, 99560), (3040, 90128), (3268, 83840), (3440, 79648), (4085, 67072), (4192, 65360), (4864, 56330), (4978, 55040), (5240, 52288), (5504, 49780), (5633, 48640), (6080, 45064), (6536, 41920), (6880, 39824), (8170, 33536), (8384, 32680), (9728, 28165), (9956, 27520), (10480, 26144), (11008, 24890), (11266, 24320), (12160, 22532), (12445, 22016), (13072, 20960), (13760, 19912), (16340, 16768)]