331784960

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:318

約数の個数: 144

約数和(自身を含む): 868094976

約数和(自身を除く): 536310016

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 127, 128, 130, 157, 160, 208, 254, 256, 260, 314, 320, 416, 508, 520, 628, 635, 640, 785, 832, 1016, 1040, 1256, 1270, 1280, 1570, 1651, 1664, 2032, 2041, 2080, 2512, 2540, 3140, 3302, 3328, 4064, 4082, 4160, 5024, 5080, 6280, 6604, 8128, 8164, 8255, 8320, 10048, 10160, 10205, 12560, 13208, 16256, 16328, 16510, 16640, 19939, 20096, 20320, 20410, 25120, 26416, 32512, 32656, 33020, 39878, 40192, 40640, 40820, 50240, 52832, 65312, 66040, 79756, 81280, 81640, 99695, 100480, 105664, 130624, 132080, 159512, 162560, 163280, 199390, 200960, 211328, 259207, 261248, 264160, 319024, 326560, 398780, 422656, 518414, 522496, 528320, 638048, 653120, 797560, 1036828, 1056640, 1276096, 1296035, 1306240, 1595120, 2073656, 2113280, 2552192, 2592070, 2612480, 3190240, 4147312, 5104384, 5184140, 6380480, 8294624, 10368280, 12760960, 16589248, 20736560, 25521920, 33178496, 41473120, 66356992, 82946240, 165892480, 331784960]

約数ペア:

[(1, 331784960), (2, 165892480), (4, 82946240), (5, 66356992), (8, 41473120), (10, 33178496), (13, 25521920), (16, 20736560), (20, 16589248), (26, 12760960), (32, 10368280), (40, 8294624), (52, 6380480), (64, 5184140), (65, 5104384), (80, 4147312), (104, 3190240), (127, 2612480), (128, 2592070), (130, 2552192), (157, 2113280), (160, 2073656), (208, 1595120), (254, 1306240), (256, 1296035), (260, 1276096), (314, 1056640), (320, 1036828), (416, 797560), (508, 653120), (520, 638048), (628, 528320), (635, 522496), (640, 518414), (785, 422656), (832, 398780), (1016, 326560), (1040, 319024), (1256, 264160), (1270, 261248), (1280, 259207), (1570, 211328), (1651, 200960), (1664, 199390), (2032, 163280), (2041, 162560), (2080, 159512), (2512, 132080), (2540, 130624), (3140, 105664), (3302, 100480), (3328, 99695), (4064, 81640), (4082, 81280), (4160, 79756), (5024, 66040), (5080, 65312), (6280, 52832), (6604, 50240), (8128, 40820), (8164, 40640), (8255, 40192), (8320, 39878), (10048, 33020), (10160, 32656), (10205, 32512), (12560, 26416), (13208, 25120), (16256, 20410), (16328, 20320), (16510, 20096), (16640, 19939)]