16728180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{39829}}^1$

素因数の和:39848

約数の個数: 48

約数和(自身を含む): 53531520

約数和(自身を除く): 36803340

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, 39829, 79658, 119487, 159316, 199145, 238974, 278803, 398290, 477948, 557606, 597435, 796580, 836409, 1115212, 1194870, 1394015, 1672818, 2389740, 2788030, 3345636, 4182045, 5576060, 8364090, 16728180]

約数ペア:

[(1, 16728180), (2, 8364090), (3, 5576060), (4, 4182045), (5, 3345636), (6, 2788030), (7, 2389740), (10, 1672818), (12, 1394015), (14, 1194870), (15, 1115212), (20, 836409), (21, 796580), (28, 597435), (30, 557606), (35, 477948), (42, 398290), (60, 278803), (70, 238974), (84, 199145), (105, 159316), (140, 119487), (210, 79658), (420, 39829)]