1326940160

素因数分解:

$2^{15}\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:144

約数の個数: 256

約数和(自身を含む): 3963556800

約数和(自身を除く): 2636616640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 89, 91, 104, 112, 128, 130, 140, 160, 178, 182, 208, 224, 256, 260, 280, 320, 356, 364, 416, 445, 448, 455, 512, 520, 560, 623, 640, 712, 728, 832, 890, 896, 910, 1024, 1040, 1120, 1157, 1246, 1280, 1424, 1456, 1664, 1780, 1792, 1820, 2048, 2080, 2240, 2314, 2492, 2560, 2848, 2912, 3115, 3328, 3560, 3584, 3640, 4096, 4160, 4480, 4628, 4984, 5120, 5696, 5785, 5824, 6230, 6656, 7120, 7168, 7280, 8099, 8192, 8320, 8960, 9256, 9968, 10240, 11392, 11570, 11648, 12460, 13312, 14240, 14336, 14560, 16198, 16384, 16640, 17920, 18512, 19936, 20480, 22784, 23140, 23296, 24920, 26624, 28480, 28672, 29120, 32396, 32768, 33280, 35840, 37024, 39872, 40495, 40960, 45568, 46280, 46592, 49840, 53248, 56960, 57344, 58240, 64792, 66560, 71680, 74048, 79744, 80990, 81920, 91136, 92560, 93184, 99680, 106496, 113920, 114688, 116480, 129584, 133120, 143360, 148096, 159488, 161980, 163840, 182272, 185120, 186368, 199360, 212992, 227840, 229376, 232960, 259168, 266240, 286720, 296192, 318976, 323960, 364544, 370240, 372736, 398720, 425984, 455680, 465920, 518336, 532480, 573440, 592384, 637952, 647920, 729088, 740480, 745472, 797440, 911360, 931840, 1036672, 1064960, 1146880, 1184768, 1275904, 1295840, 1458176, 1480960, 1490944, 1594880, 1822720, 1863680, 2073344, 2129920, 2369536, 2551808, 2591680, 2916352, 2961920, 2981888, 3189760, 3645440, 3727360, 4146688, 4739072, 5103616, 5183360, 5923840, 6379520, 7290880, 7454720, 8293376, 9478144, 10207232, 10366720, 11847680, 12759040, 14581760, 14909440, 16586752, 18956288, 20414464, 20733440, 23695360, 25518080, 33173504, 37912576, 41466880, 47390720, 51036160, 66347008, 82933760, 94781440, 102072320, 132694016, 165867520, 189562880, 265388032, 331735040, 663470080, 1326940160]

約数ペア:

[(1, 1326940160), (2, 663470080), (4, 331735040), (5, 265388032), (7, 189562880), (8, 165867520), (10, 132694016), (13, 102072320), (14, 94781440), (16, 82933760), (20, 66347008), (26, 51036160), (28, 47390720), (32, 41466880), (35, 37912576), (40, 33173504), (52, 25518080), (56, 23695360), (64, 20733440), (65, 20414464), (70, 18956288), (80, 16586752), (89, 14909440), (91, 14581760), (104, 12759040), (112, 11847680), (128, 10366720), (130, 10207232), (140, 9478144), (160, 8293376), (178, 7454720), (182, 7290880), (208, 6379520), (224, 5923840), (256, 5183360), (260, 5103616), (280, 4739072), (320, 4146688), (356, 3727360), (364, 3645440), (416, 3189760), (445, 2981888), (448, 2961920), (455, 2916352), (512, 2591680), (520, 2551808), (560, 2369536), (623, 2129920), (640, 2073344), (712, 1863680), (728, 1822720), (832, 1594880), (890, 1490944), (896, 1480960), (910, 1458176), (1024, 1295840), (1040, 1275904), (1120, 1184768), (1157, 1146880), (1246, 1064960), (1280, 1036672), (1424, 931840), (1456, 911360), (1664, 797440), (1780, 745472), (1792, 740480), (1820, 729088), (2048, 647920), (2080, 637952), (2240, 592384), (2314, 573440), (2492, 532480), (2560, 518336), (2848, 465920), (2912, 455680), (3115, 425984), (3328, 398720), (3560, 372736), (3584, 370240), (3640, 364544), (4096, 323960), (4160, 318976), (4480, 296192), (4628, 286720), (4984, 266240), (5120, 259168), (5696, 232960), (5785, 229376), (5824, 227840), (6230, 212992), (6656, 199360), (7120, 186368), (7168, 185120), (7280, 182272), (8099, 163840), (8192, 161980), (8320, 159488), (8960, 148096), (9256, 143360), (9968, 133120), (10240, 129584), (11392, 116480), (11570, 114688), (11648, 113920), (12460, 106496), (13312, 99680), (14240, 93184), (14336, 92560), (14560, 91136), (16198, 81920), (16384, 80990), (16640, 79744), (17920, 74048), (18512, 71680), (19936, 66560), (20480, 64792), (22784, 58240), (23140, 57344), (23296, 56960), (24920, 53248), (26624, 49840), (28480, 46592), (28672, 46280), (29120, 45568), (32396, 40960), (32768, 40495), (33280, 39872), (35840, 37024)]