16456960

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:100

約数の個数: 144

約数和(自身を含む): 45327744

約数和(自身を除く): 28870784

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, 520, 559, 598, 640, 688, 736, 832, 860, 920, 989, 1040, 1118, 1196, 1280, 1376, 1472, 1495, 1664, 1720, 1840, 1978, 2080, 2236, 2392, 2752, 2795, 2944, 2990, 3328, 3440, 3680, 3956, 4160, 4472, 4784, 4945, 5504, 5590, 5888, 5980, 6880, 7360, 7912, 8320, 8944, 9568, 9890, 11008, 11180, 11960, 12857, 13760, 14720, 15824, 16640, 17888, 19136, 19780, 22360, 23920, 25714, 27520, 29440, 31648, 35776, 38272, 39560, 44720, 47840, 51428, 55040, 63296, 64285, 71552, 76544, 79120, 89440, 95680, 102856, 126592, 128570, 143104, 158240, 178880, 191360, 205712, 253184, 257140, 316480, 357760, 382720, 411424, 514280, 632960, 715520, 822848, 1028560, 1265920, 1645696, 2057120, 3291392, 4114240, 8228480, 16456960]

約数ペア:

[(1, 16456960), (2, 8228480), (4, 4114240), (5, 3291392), (8, 2057120), (10, 1645696), (13, 1265920), (16, 1028560), (20, 822848), (23, 715520), (26, 632960), (32, 514280), (40, 411424), (43, 382720), (46, 357760), (52, 316480), (64, 257140), (65, 253184), (80, 205712), (86, 191360), (92, 178880), (104, 158240), (115, 143104), (128, 128570), (130, 126592), (160, 102856), (172, 95680), (184, 89440), (208, 79120), (215, 76544), (230, 71552), (256, 64285), (260, 63296), (299, 55040), (320, 51428), (344, 47840), (368, 44720), (416, 39560), (430, 38272), (460, 35776), (520, 31648), (559, 29440), (598, 27520), (640, 25714), (688, 23920), (736, 22360), (832, 19780), (860, 19136), (920, 17888), (989, 16640), (1040, 15824), (1118, 14720), (1196, 13760), (1280, 12857), (1376, 11960), (1472, 11180), (1495, 11008), (1664, 9890), (1720, 9568), (1840, 8944), (1978, 8320), (2080, 7912), (2236, 7360), (2392, 6880), (2752, 5980), (2795, 5888), (2944, 5590), (2990, 5504), (3328, 4945), (3440, 4784), (3680, 4472), (3956, 4160)]