78122940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{186007}}^1$

素因数の和:186026

約数の個数: 48

約数和(自身を含む): 249994752

約数和(自身を除く): 171871812

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, 186007, 372014, 558021, 744028, 930035, 1116042, 1302049, 1860070, 2232084, 2604098, 2790105, 3720140, 3906147, 5208196, 5580210, 6510245, 7812294, 11160420, 13020490, 15624588, 19530735, 26040980, 39061470, 78122940]

約数ペア:

[(1, 78122940), (2, 39061470), (3, 26040980), (4, 19530735), (5, 15624588), (6, 13020490), (7, 11160420), (10, 7812294), (12, 6510245), (14, 5580210), (15, 5208196), (20, 3906147), (21, 3720140), (28, 2790105), (30, 2604098), (35, 2232084), (42, 1860070), (60, 1302049), (70, 1116042), (84, 930035), (105, 744028), (140, 558021), (210, 372014), (420, 186007)]