131655680

素因数分解:

$2^{11}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:106

約数の個数: 192

約数和(自身を含む): 363242880

約数和(自身を除く): 231587200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 43, 46, 52, 64, 65, 80, 86, 92, 104, 115, 128, 130, 160, 172, 184, 208, 215, 230, 256, 260, 299, 320, 344, 368, 416, 430, 460, 512, 520, 559, 598, 640, 688, 736, 832, 860, 920, 989, 1024, 1040, 1118, 1196, 1280, 1376, 1472, 1495, 1664, 1720, 1840, 1978, 2048, 2080, 2236, 2392, 2560, 2752, 2795, 2944, 2990, 3328, 3440, 3680, 3956, 4160, 4472, 4784, 4945, 5120, 5504, 5590, 5888, 5980, 6656, 6880, 7360, 7912, 8320, 8944, 9568, 9890, 10240, 11008, 11180, 11776, 11960, 12857, 13312, 13760, 14720, 15824, 16640, 17888, 19136, 19780, 22016, 22360, 23552, 23920, 25714, 26624, 27520, 29440, 31648, 33280, 35776, 38272, 39560, 44032, 44720, 47104, 47840, 51428, 55040, 58880, 63296, 64285, 66560, 71552, 76544, 79120, 88064, 89440, 95680, 102856, 110080, 117760, 126592, 128570, 133120, 143104, 153088, 158240, 178880, 191360, 205712, 220160, 235520, 253184, 257140, 286208, 306176, 316480, 357760, 382720, 411424, 440320, 506368, 514280, 572416, 612352, 632960, 715520, 765440, 822848, 1012736, 1028560, 1144832, 1265920, 1431040, 1530880, 1645696, 2025472, 2057120, 2531840, 2862080, 3061760, 3291392, 4114240, 5063680, 5724160, 6582784, 8228480, 10127360, 13165568, 16456960, 26331136, 32913920, 65827840, 131655680]

約数ペア:

[(1, 131655680), (2, 65827840), (4, 32913920), (5, 26331136), (8, 16456960), (10, 13165568), (13, 10127360), (16, 8228480), (20, 6582784), (23, 5724160), (26, 5063680), (32, 4114240), (40, 3291392), (43, 3061760), (46, 2862080), (52, 2531840), (64, 2057120), (65, 2025472), (80, 1645696), (86, 1530880), (92, 1431040), (104, 1265920), (115, 1144832), (128, 1028560), (130, 1012736), (160, 822848), (172, 765440), (184, 715520), (208, 632960), (215, 612352), (230, 572416), (256, 514280), (260, 506368), (299, 440320), (320, 411424), (344, 382720), (368, 357760), (416, 316480), (430, 306176), (460, 286208), (512, 257140), (520, 253184), (559, 235520), (598, 220160), (640, 205712), (688, 191360), (736, 178880), (832, 158240), (860, 153088), (920, 143104), (989, 133120), (1024, 128570), (1040, 126592), (1118, 117760), (1196, 110080), (1280, 102856), (1376, 95680), (1472, 89440), (1495, 88064), (1664, 79120), (1720, 76544), (1840, 71552), (1978, 66560), (2048, 64285), (2080, 63296), (2236, 58880), (2392, 55040), (2560, 51428), (2752, 47840), (2795, 47104), (2944, 44720), (2990, 44032), (3328, 39560), (3440, 38272), (3680, 35776), (3956, 33280), (4160, 31648), (4472, 29440), (4784, 27520), (4945, 26624), (5120, 25714), (5504, 23920), (5590, 23552), (5888, 22360), (5980, 22016), (6656, 19780), (6880, 19136), (7360, 17888), (7912, 16640), (8320, 15824), (8944, 14720), (9568, 13760), (9890, 13312), (10240, 12857), (11008, 11960), (11180, 11776)]