127940960

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{16319}}^1$

素因数の和:16348

約数の個数: 72

約数和(自身を含む): 351630720

約数和(自身を除く): 223689760

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, 16319, 32638, 65276, 81595, 114233, 130552, 163190, 228466, 261104, 326380, 456932, 522208, 571165, 652760, 799631, 913864, 1142330, 1305520, 1599262, 1827728, 2284660, 2611040, 3198524, 3655456, 3998155, 4569320, 6397048, 7996310, 9138640, 12794096, 15992620, 18277280, 25588192, 31985240, 63970480, 127940960]

約数ペア:

[(1, 127940960), (2, 63970480), (4, 31985240), (5, 25588192), (7, 18277280), (8, 15992620), (10, 12794096), (14, 9138640), (16, 7996310), (20, 6397048), (28, 4569320), (32, 3998155), (35, 3655456), (40, 3198524), (49, 2611040), (56, 2284660), (70, 1827728), (80, 1599262), (98, 1305520), (112, 1142330), (140, 913864), (160, 799631), (196, 652760), (224, 571165), (245, 522208), (280, 456932), (392, 326380), (490, 261104), (560, 228466), (784, 163190), (980, 130552), (1120, 114233), (1568, 81595), (1960, 65276), (3920, 32638), (7840, 16319)]