77886420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{5051}}^1$

素因数の和:5320

約数の個数: 48

約数和(自身を含む): 218973888

約数和(自身を除く): 141087468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 257, 514, 771, 1028, 1285, 1542, 2570, 3084, 3855, 5051, 5140, 7710, 10102, 15153, 15420, 20204, 25255, 30306, 50510, 60612, 75765, 101020, 151530, 303060, 1298107, 2596214, 3894321, 5192428, 6490535, 7788642, 12981070, 15577284, 19471605, 25962140, 38943210, 77886420]

約数ペア:

[(1, 77886420), (2, 38943210), (3, 25962140), (4, 19471605), (5, 15577284), (6, 12981070), (10, 7788642), (12, 6490535), (15, 5192428), (20, 3894321), (30, 2596214), (60, 1298107), (257, 303060), (514, 151530), (771, 101020), (1028, 75765), (1285, 60612), (1542, 50510), (2570, 30306), (3084, 25255), (3855, 20204), (5051, 15420), (5140, 15153), (7710, 10102)]