138894560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:209

約数の個数: 192

約数和(自身を含む): 404974080

約数和(自身を除く): 266079520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 61, 70, 76, 80, 95, 107, 112, 122, 133, 140, 152, 160, 190, 214, 224, 244, 266, 280, 304, 305, 380, 427, 428, 488, 532, 535, 560, 608, 610, 665, 749, 760, 854, 856, 976, 1064, 1070, 1120, 1159, 1220, 1330, 1498, 1520, 1708, 1712, 1952, 2033, 2128, 2135, 2140, 2318, 2440, 2660, 2996, 3040, 3416, 3424, 3745, 4066, 4256, 4270, 4280, 4636, 4880, 5320, 5795, 5992, 6527, 6832, 7490, 8113, 8132, 8540, 8560, 9272, 9760, 10165, 10640, 11590, 11984, 13054, 13664, 14231, 14980, 16226, 16264, 17080, 17120, 18544, 20330, 21280, 23180, 23968, 26108, 28462, 29960, 32452, 32528, 32635, 34160, 37088, 40565, 40660, 45689, 46360, 52216, 56924, 59920, 64904, 65056, 65270, 68320, 71155, 81130, 81320, 91378, 92720, 104432, 113848, 119840, 124013, 129808, 130540, 142310, 162260, 162640, 182756, 185440, 208864, 227696, 228445, 248026, 259616, 261080, 284620, 324520, 325280, 365512, 455392, 456890, 496052, 522160, 569240, 620065, 649040, 731024, 868091, 913780, 992104, 1044320, 1138480, 1240130, 1298080, 1462048, 1736182, 1827560, 1984208, 2276960, 2480260, 3472364, 3655120, 3968416, 4340455, 4960520, 6944728, 7310240, 8680910, 9921040, 13889456, 17361820, 19842080, 27778912, 34723640, 69447280, 138894560]

約数ペア:

[(1, 138894560), (2, 69447280), (4, 34723640), (5, 27778912), (7, 19842080), (8, 17361820), (10, 13889456), (14, 9921040), (16, 8680910), (19, 7310240), (20, 6944728), (28, 4960520), (32, 4340455), (35, 3968416), (38, 3655120), (40, 3472364), (56, 2480260), (61, 2276960), (70, 1984208), (76, 1827560), (80, 1736182), (95, 1462048), (107, 1298080), (112, 1240130), (122, 1138480), (133, 1044320), (140, 992104), (152, 913780), (160, 868091), (190, 731024), (214, 649040), (224, 620065), (244, 569240), (266, 522160), (280, 496052), (304, 456890), (305, 455392), (380, 365512), (427, 325280), (428, 324520), (488, 284620), (532, 261080), (535, 259616), (560, 248026), (608, 228445), (610, 227696), (665, 208864), (749, 185440), (760, 182756), (854, 162640), (856, 162260), (976, 142310), (1064, 130540), (1070, 129808), (1120, 124013), (1159, 119840), (1220, 113848), (1330, 104432), (1498, 92720), (1520, 91378), (1708, 81320), (1712, 81130), (1952, 71155), (2033, 68320), (2128, 65270), (2135, 65056), (2140, 64904), (2318, 59920), (2440, 56924), (2660, 52216), (2996, 46360), (3040, 45689), (3416, 40660), (3424, 40565), (3745, 37088), (4066, 34160), (4256, 32635), (4270, 32528), (4280, 32452), (4636, 29960), (4880, 28462), (5320, 26108), (5795, 23968), (5992, 23180), (6527, 21280), (6832, 20330), (7490, 18544), (8113, 17120), (8132, 17080), (8540, 16264), (8560, 16226), (9272, 14980), (9760, 14231), (10165, 13664), (10640, 13054), (11590, 11984)]