80920140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{192667}}^1$

素因数の和:192686

約数の個数: 48

約数和(自身を含む): 258945792

約数和(自身を除く): 178025652

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, 192667, 385334, 578001, 770668, 963335, 1156002, 1348669, 1926670, 2312004, 2697338, 2890005, 3853340, 4046007, 5394676, 5780010, 6743345, 8092014, 11560020, 13486690, 16184028, 20230035, 26973380, 40460070, 80920140]

約数ペア:

[(1, 80920140), (2, 40460070), (3, 26973380), (4, 20230035), (5, 16184028), (6, 13486690), (7, 11560020), (10, 8092014), (12, 6743345), (14, 5780010), (15, 5394676), (20, 4046007), (21, 3853340), (28, 2890005), (30, 2697338), (35, 2312004), (42, 1926670), (60, 1348669), (70, 1156002), (84, 963335), (105, 770668), (140, 578001), (210, 385334), (420, 192667)]