16471840

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1$

素因数の和:231

約数の個数: 144

約数和(自身を含む): 49641984

約数和(自身を除く): 33170144

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 191, 196, 220, 224, 245, 280, 308, 352, 382, 385, 392, 440, 490, 539, 560, 616, 764, 770, 784, 880, 955, 980, 1078, 1120, 1232, 1337, 1528, 1540, 1568, 1760, 1910, 1960, 2101, 2156, 2464, 2674, 2695, 3056, 3080, 3820, 3920, 4202, 4312, 5348, 5390, 6112, 6160, 6685, 7640, 7840, 8404, 8624, 9359, 10505, 10696, 10780, 12320, 13370, 14707, 15280, 16808, 17248, 18718, 21010, 21392, 21560, 26740, 29414, 30560, 33616, 37436, 42020, 42784, 43120, 46795, 53480, 58828, 67232, 73535, 74872, 84040, 86240, 93590, 102949, 106960, 117656, 147070, 149744, 168080, 187180, 205898, 213920, 235312, 294140, 299488, 336160, 374360, 411796, 470624, 514745, 588280, 748720, 823592, 1029490, 1176560, 1497440, 1647184, 2058980, 2353120, 3294368, 4117960, 8235920, 16471840]

約数ペア:

[(1, 16471840), (2, 8235920), (4, 4117960), (5, 3294368), (7, 2353120), (8, 2058980), (10, 1647184), (11, 1497440), (14, 1176560), (16, 1029490), (20, 823592), (22, 748720), (28, 588280), (32, 514745), (35, 470624), (40, 411796), (44, 374360), (49, 336160), (55, 299488), (56, 294140), (70, 235312), (77, 213920), (80, 205898), (88, 187180), (98, 168080), (110, 149744), (112, 147070), (140, 117656), (154, 106960), (160, 102949), (176, 93590), (191, 86240), (196, 84040), (220, 74872), (224, 73535), (245, 67232), (280, 58828), (308, 53480), (352, 46795), (382, 43120), (385, 42784), (392, 42020), (440, 37436), (490, 33616), (539, 30560), (560, 29414), (616, 26740), (764, 21560), (770, 21392), (784, 21010), (880, 18718), (955, 17248), (980, 16808), (1078, 15280), (1120, 14707), (1232, 13370), (1337, 12320), (1528, 10780), (1540, 10696), (1568, 10505), (1760, 9359), (1910, 8624), (1960, 8404), (2101, 7840), (2156, 7640), (2464, 6685), (2674, 6160), (2695, 6112), (3056, 5390), (3080, 5348), (3820, 4312), (3920, 4202)]