80148180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{190829}}^1$

素因数の和:190848

約数の個数: 48

約数和(自身を含む): 256475520

約数和(自身を除く): 176327340

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, 190829, 381658, 572487, 763316, 954145, 1144974, 1335803, 1908290, 2289948, 2671606, 2862435, 3816580, 4007409, 5343212, 5724870, 6679015, 8014818, 11449740, 13358030, 16029636, 20037045, 26716060, 40074090, 80148180]

約数ペア:

[(1, 80148180), (2, 40074090), (3, 26716060), (4, 20037045), (5, 16029636), (6, 13358030), (7, 11449740), (10, 8014818), (12, 6679015), (14, 5724870), (15, 5343212), (20, 4007409), (21, 3816580), (28, 2862435), (30, 2671606), (35, 2289948), (42, 1908290), (60, 1335803), (70, 1144974), (84, 954145), (105, 763316), (140, 572487), (210, 381658), (420, 190829)]