1497440

素因数分解:

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

素因数の和:220

約数の個数: 72

約数和(自身を含む): 4136832

約数和(自身を除く): 2639392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 191, 196, 224, 245, 280, 382, 392, 490, 560, 764, 784, 955, 980, 1120, 1337, 1528, 1568, 1910, 1960, 2674, 3056, 3820, 3920, 5348, 6112, 6685, 7640, 7840, 9359, 10696, 13370, 15280, 18718, 21392, 26740, 30560, 37436, 42784, 46795, 53480, 74872, 93590, 106960, 149744, 187180, 213920, 299488, 374360, 748720, 1497440]

約数ペア:

[(1, 1497440), (2, 748720), (4, 374360), (5, 299488), (7, 213920), (8, 187180), (10, 149744), (14, 106960), (16, 93590), (20, 74872), (28, 53480), (32, 46795), (35, 42784), (40, 37436), (49, 30560), (56, 26740), (70, 21392), (80, 18718), (98, 15280), (112, 13370), (140, 10696), (160, 9359), (191, 7840), (196, 7640), (224, 6685), (245, 6112), (280, 5348), (382, 3920), (392, 3820), (490, 3056), (560, 2674), (764, 1960), (784, 1910), (955, 1568), (980, 1528), (1120, 1337)]