531975780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{422203}}^1$

素因数の和:422225

約数の個数: 72

約数和(自身を含む): 1844187072

約数和(自身を除く): 1312211292

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, 422203, 844406, 1266609, 1688812, 2111015, 2533218, 2955421, 3799827, 4222030, 5066436, 5910842, 6333045, 7599654, 8444060, 8866263, 11821684, 12666090, 14777105, 15199308, 17732526, 18999135, 25332180, 26598789, 29554210, 35465052, 37998270, 44331315, 53197578, 59108420, 75996540, 88662630, 106395156, 132993945, 177325260, 265987890, 531975780]

約数ペア:

[(1, 531975780), (2, 265987890), (3, 177325260), (4, 132993945), (5, 106395156), (6, 88662630), (7, 75996540), (9, 59108420), (10, 53197578), (12, 44331315), (14, 37998270), (15, 35465052), (18, 29554210), (20, 26598789), (21, 25332180), (28, 18999135), (30, 17732526), (35, 15199308), (36, 14777105), (42, 12666090), (45, 11821684), (60, 8866263), (63, 8444060), (70, 7599654), (84, 6333045), (90, 5910842), (105, 5066436), (126, 4222030), (140, 3799827), (180, 2955421), (210, 2533218), (252, 2111015), (315, 1688812), (420, 1266609), (630, 844406), (1260, 422203)]