331335680

素因数分解:

$2^{11}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:190

約数の個数: 192

約数和(自身を含む): 908107200

約数和(自身を除く): 576771520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 128, 130, 131, 152, 160, 190, 208, 247, 256, 260, 262, 304, 320, 380, 416, 494, 512, 520, 524, 608, 640, 655, 760, 832, 988, 1024, 1040, 1048, 1216, 1235, 1280, 1310, 1520, 1664, 1703, 1976, 2048, 2080, 2096, 2432, 2470, 2489, 2560, 2620, 3040, 3328, 3406, 3952, 4160, 4192, 4864, 4940, 4978, 5120, 5240, 6080, 6656, 6812, 7904, 8320, 8384, 8515, 9728, 9880, 9956, 10240, 10480, 12160, 12445, 13312, 13624, 15808, 16640, 16768, 17030, 19456, 19760, 19912, 20960, 24320, 24890, 26624, 27248, 31616, 32357, 33280, 33536, 34060, 38912, 39520, 39824, 41920, 48640, 49780, 54496, 63232, 64714, 66560, 67072, 68120, 79040, 79648, 83840, 97280, 99560, 108992, 126464, 129428, 133120, 134144, 136240, 158080, 159296, 161785, 167680, 194560, 199120, 217984, 252928, 258856, 268288, 272480, 316160, 318592, 323570, 335360, 398240, 435968, 505856, 517712, 544960, 632320, 637184, 647140, 670720, 796480, 871936, 1035424, 1089920, 1264640, 1274368, 1294280, 1341440, 1592960, 1743872, 2070848, 2179840, 2529280, 2548736, 2588560, 3185920, 3487744, 4141696, 4359680, 5097472, 5177120, 6371840, 8283392, 8719360, 10354240, 12743680, 16566784, 17438720, 20708480, 25487360, 33133568, 41416960, 66267136, 82833920, 165667840, 331335680]

約数ペア:

[(1, 331335680), (2, 165667840), (4, 82833920), (5, 66267136), (8, 41416960), (10, 33133568), (13, 25487360), (16, 20708480), (19, 17438720), (20, 16566784), (26, 12743680), (32, 10354240), (38, 8719360), (40, 8283392), (52, 6371840), (64, 5177120), (65, 5097472), (76, 4359680), (80, 4141696), (95, 3487744), (104, 3185920), (128, 2588560), (130, 2548736), (131, 2529280), (152, 2179840), (160, 2070848), (190, 1743872), (208, 1592960), (247, 1341440), (256, 1294280), (260, 1274368), (262, 1264640), (304, 1089920), (320, 1035424), (380, 871936), (416, 796480), (494, 670720), (512, 647140), (520, 637184), (524, 632320), (608, 544960), (640, 517712), (655, 505856), (760, 435968), (832, 398240), (988, 335360), (1024, 323570), (1040, 318592), (1048, 316160), (1216, 272480), (1235, 268288), (1280, 258856), (1310, 252928), (1520, 217984), (1664, 199120), (1703, 194560), (1976, 167680), (2048, 161785), (2080, 159296), (2096, 158080), (2432, 136240), (2470, 134144), (2489, 133120), (2560, 129428), (2620, 126464), (3040, 108992), (3328, 99560), (3406, 97280), (3952, 83840), (4160, 79648), (4192, 79040), (4864, 68120), (4940, 67072), (4978, 66560), (5120, 64714), (5240, 63232), (6080, 54496), (6656, 49780), (6812, 48640), (7904, 41920), (8320, 39824), (8384, 39520), (8515, 38912), (9728, 34060), (9880, 33536), (9956, 33280), (10240, 32357), (10480, 31616), (12160, 27248), (12445, 26624), (13312, 24890), (13624, 24320), (15808, 20960), (16640, 19912), (16768, 19760), (17030, 19456)]