15977290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{293}}^1$

素因数の和:367

約数の個数: 64

約数和(自身を含む): 35562240

約数和(自身を除く): 19584950

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 41, 70, 82, 95, 133, 190, 205, 266, 287, 293, 410, 574, 586, 665, 779, 1330, 1435, 1465, 1558, 2051, 2870, 2930, 3895, 4102, 5453, 5567, 7790, 10255, 10906, 11134, 12013, 20510, 24026, 27265, 27835, 38969, 54530, 55670, 60065, 77938, 84091, 120130, 168182, 194845, 228247, 389690, 420455, 456494, 840910, 1141235, 1597729, 2282470, 3195458, 7988645, 15977290]

約数ペア:

[(1, 15977290), (2, 7988645), (5, 3195458), (7, 2282470), (10, 1597729), (14, 1141235), (19, 840910), (35, 456494), (38, 420455), (41, 389690), (70, 228247), (82, 194845), (95, 168182), (133, 120130), (190, 84091), (205, 77938), (266, 60065), (287, 55670), (293, 54530), (410, 38969), (574, 27835), (586, 27265), (665, 24026), (779, 20510), (1330, 12013), (1435, 11134), (1465, 10906), (1558, 10255), (2051, 7790), (2870, 5567), (2930, 5453), (3895, 4102)]