168978180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{402329}}^1$

素因数の和:402348

約数の個数: 48

約数和(自身を含む): 540731520

約数和(自身を除く): 371753340

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, 402329, 804658, 1206987, 1609316, 2011645, 2413974, 2816303, 4023290, 4827948, 5632606, 6034935, 8046580, 8448909, 11265212, 12069870, 14081515, 16897818, 24139740, 28163030, 33795636, 42244545, 56326060, 84489090, 168978180]

約数ペア:

[(1, 168978180), (2, 84489090), (3, 56326060), (4, 42244545), (5, 33795636), (6, 28163030), (7, 24139740), (10, 16897818), (12, 14081515), (14, 12069870), (15, 11265212), (20, 8448909), (21, 8046580), (28, 6034935), (30, 5632606), (35, 4827948), (42, 4023290), (60, 2816303), (70, 2413974), (84, 2011645), (105, 1609316), (140, 1206987), (210, 804658), (420, 402329)]