78758820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{62507}}^1$

素因数の和:62529

約数の個数: 72

約数和(自身を含む): 273034944

約数和(自身を除く): 194276124

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 62507, 125014, 187521, 250028, 312535, 375042, 437549, 562563, 625070, 750084, 875098, 937605, 1125126, 1250140, 1312647, 1750196, 1875210, 2187745, 2250252, 2625294, 2812815, 3750420, 3937941, 4375490, 5250588, 5625630, 6563235, 7875882, 8750980, 11251260, 13126470, 15751764, 19689705, 26252940, 39379410, 78758820]

約数ペア:

[(1, 78758820), (2, 39379410), (3, 26252940), (4, 19689705), (5, 15751764), (6, 13126470), (7, 11251260), (9, 8750980), (10, 7875882), (12, 6563235), (14, 5625630), (15, 5250588), (18, 4375490), (20, 3937941), (21, 3750420), (28, 2812815), (30, 2625294), (35, 2250252), (36, 2187745), (42, 1875210), (45, 1750196), (60, 1312647), (63, 1250140), (70, 1125126), (84, 937605), (90, 875098), (105, 750084), (126, 625070), (140, 562563), (180, 437549), (210, 375042), (252, 312535), (315, 250028), (420, 187521), (630, 125014), (1260, 62507)]