2509968160

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{320149}}^1$

素因数の和:320178

約数の個数: 72

約数和(自身を含む): 6897951900

約数和(自身を除く): 4387983740

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, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 320149, 640298, 1280596, 1600745, 2241043, 2561192, 3201490, 4482086, 5122384, 6402980, 8964172, 10244768, 11205215, 12805960, 15687301, 17928344, 22410430, 25611920, 31374602, 35856688, 44820860, 51223840, 62749204, 71713376, 78436505, 89641720, 125498408, 156873010, 179283440, 250996816, 313746020, 358566880, 501993632, 627492040, 1254984080, 2509968160]

約数ペア:

[(1, 2509968160), (2, 1254984080), (4, 627492040), (5, 501993632), (7, 358566880), (8, 313746020), (10, 250996816), (14, 179283440), (16, 156873010), (20, 125498408), (28, 89641720), (32, 78436505), (35, 71713376), (40, 62749204), (49, 51223840), (56, 44820860), (70, 35856688), (80, 31374602), (98, 25611920), (112, 22410430), (140, 17928344), (160, 15687301), (196, 12805960), (224, 11205215), (245, 10244768), (280, 8964172), (392, 6402980), (490, 5122384), (560, 4482086), (784, 3201490), (980, 2561192), (1120, 2241043), (1568, 1600745), (1960, 1280596), (3920, 640298), (7840, 320149)]