66913980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{159319}}^1$

素因数の和:159338

約数の個数: 48

約数和(自身を含む): 214126080

約数和(自身を除く): 147212100

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, 159319, 318638, 477957, 637276, 796595, 955914, 1115233, 1593190, 1911828, 2230466, 2389785, 3186380, 3345699, 4460932, 4779570, 5576165, 6691398, 9559140, 11152330, 13382796, 16728495, 22304660, 33456990, 66913980]

約数ペア:

[(1, 66913980), (2, 33456990), (3, 22304660), (4, 16728495), (5, 13382796), (6, 11152330), (7, 9559140), (10, 6691398), (12, 5576165), (14, 4779570), (15, 4460932), (20, 3345699), (21, 3186380), (28, 2389785), (30, 2230466), (35, 1911828), (42, 1593190), (60, 1115233), (70, 955914), (84, 796595), (105, 637276), (140, 477957), (210, 318638), (420, 159319)]