135872940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{323507}}^1$

素因数の和:323526

約数の個数: 48

約数和(自身を含む): 434794752

約数和(自身を除く): 298921812

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, 323507, 647014, 970521, 1294028, 1617535, 1941042, 2264549, 3235070, 3882084, 4529098, 4852605, 6470140, 6793647, 9058196, 9705210, 11322745, 13587294, 19410420, 22645490, 27174588, 33968235, 45290980, 67936470, 135872940]

約数ペア:

[(1, 135872940), (2, 67936470), (3, 45290980), (4, 33968235), (5, 27174588), (6, 22645490), (7, 19410420), (10, 13587294), (12, 11322745), (14, 9705210), (15, 9058196), (20, 6793647), (21, 6470140), (28, 4852605), (30, 4529098), (35, 3882084), (42, 3235070), (60, 2264549), (70, 1941042), (84, 1617535), (105, 1294028), (140, 970521), (210, 647014), (420, 323507)]