78752940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{187507}}^1$

素因数の和:187526

約数の個数: 48

約数和(自身を含む): 252010752

約数和(自身を除く): 173257812

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 187507, 375014, 562521, 750028, 937535, 1125042, 1312549, 1875070, 2250084, 2625098, 2812605, 3750140, 3937647, 5250196, 5625210, 6562745, 7875294, 11250420, 13125490, 15750588, 19688235, 26250980, 39376470, 78752940]

約数ペア:

[(1, 78752940), (2, 39376470), (3, 26250980), (4, 19688235), (5, 15750588), (6, 13125490), (7, 11250420), (10, 7875294), (12, 6562745), (14, 5625210), (15, 5250196), (20, 3937647), (21, 3750140), (28, 2812605), (30, 2625098), (35, 2250084), (42, 1875070), (60, 1312549), (70, 1125042), (84, 937535), (105, 750028), (140, 562521), (210, 375014), (420, 187507)]