306510880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:243

約数の個数: 192

約数和(自身を含む): 838252800

約数和(自身を除く): 531741920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 43, 46, 52, 65, 80, 86, 92, 104, 115, 130, 149, 160, 172, 184, 208, 215, 230, 260, 298, 299, 344, 368, 416, 430, 460, 520, 559, 596, 598, 688, 736, 745, 860, 920, 989, 1040, 1118, 1192, 1196, 1376, 1490, 1495, 1720, 1840, 1937, 1978, 2080, 2236, 2384, 2392, 2795, 2980, 2990, 3427, 3440, 3680, 3874, 3956, 4472, 4768, 4784, 4945, 5590, 5960, 5980, 6407, 6854, 6880, 7748, 7912, 8944, 9568, 9685, 9890, 11180, 11920, 11960, 12814, 12857, 13708, 15496, 15824, 17135, 17888, 19370, 19780, 22360, 23840, 23920, 25628, 25714, 27416, 30992, 31648, 32035, 34270, 38740, 39560, 44551, 44720, 47840, 51256, 51428, 54832, 61984, 64070, 64285, 68540, 77480, 79120, 83291, 89102, 89440, 102512, 102856, 109664, 128140, 128570, 137080, 147361, 154960, 158240, 166582, 178204, 205024, 205712, 222755, 256280, 257140, 274160, 294722, 309920, 333164, 356408, 411424, 416455, 445510, 512560, 514280, 548320, 589444, 666328, 712816, 736805, 832910, 891020, 1025120, 1028560, 1178888, 1332656, 1425632, 1473610, 1665820, 1782040, 1915693, 2057120, 2357776, 2665312, 2947220, 3331640, 3564080, 3831386, 4715552, 5894440, 6663280, 7128160, 7662772, 9578465, 11788880, 13326560, 15325544, 19156930, 23577760, 30651088, 38313860, 61302176, 76627720, 153255440, 306510880]

約数ペア:

[(1, 306510880), (2, 153255440), (4, 76627720), (5, 61302176), (8, 38313860), (10, 30651088), (13, 23577760), (16, 19156930), (20, 15325544), (23, 13326560), (26, 11788880), (32, 9578465), (40, 7662772), (43, 7128160), (46, 6663280), (52, 5894440), (65, 4715552), (80, 3831386), (86, 3564080), (92, 3331640), (104, 2947220), (115, 2665312), (130, 2357776), (149, 2057120), (160, 1915693), (172, 1782040), (184, 1665820), (208, 1473610), (215, 1425632), (230, 1332656), (260, 1178888), (298, 1028560), (299, 1025120), (344, 891020), (368, 832910), (416, 736805), (430, 712816), (460, 666328), (520, 589444), (559, 548320), (596, 514280), (598, 512560), (688, 445510), (736, 416455), (745, 411424), (860, 356408), (920, 333164), (989, 309920), (1040, 294722), (1118, 274160), (1192, 257140), (1196, 256280), (1376, 222755), (1490, 205712), (1495, 205024), (1720, 178204), (1840, 166582), (1937, 158240), (1978, 154960), (2080, 147361), (2236, 137080), (2384, 128570), (2392, 128140), (2795, 109664), (2980, 102856), (2990, 102512), (3427, 89440), (3440, 89102), (3680, 83291), (3874, 79120), (3956, 77480), (4472, 68540), (4768, 64285), (4784, 64070), (4945, 61984), (5590, 54832), (5960, 51428), (5980, 51256), (6407, 47840), (6854, 44720), (6880, 44551), (7748, 39560), (7912, 38740), (8944, 34270), (9568, 32035), (9685, 31648), (9890, 30992), (11180, 27416), (11920, 25714), (11960, 25628), (12814, 23920), (12857, 23840), (13708, 22360), (15496, 19780), (15824, 19370), (17135, 17888)]