79772220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40289}}^1$

素因数の和:40315

約数の個数: 72

約数和(自身を含む): 263980080

約数和(自身を除く): 184207860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 40289, 80578, 120867, 161156, 201445, 241734, 362601, 402890, 443179, 483468, 604335, 725202, 805780, 886358, 1208670, 1329537, 1450404, 1772716, 1813005, 2215895, 2417340, 2659074, 3626010, 3988611, 4431790, 5318148, 6647685, 7252020, 7977222, 8863580, 13295370, 15954444, 19943055, 26590740, 39886110, 79772220]

約数ペア:

[(1, 79772220), (2, 39886110), (3, 26590740), (4, 19943055), (5, 15954444), (6, 13295370), (9, 8863580), (10, 7977222), (11, 7252020), (12, 6647685), (15, 5318148), (18, 4431790), (20, 3988611), (22, 3626010), (30, 2659074), (33, 2417340), (36, 2215895), (44, 1813005), (45, 1772716), (55, 1450404), (60, 1329537), (66, 1208670), (90, 886358), (99, 805780), (110, 725202), (132, 604335), (165, 483468), (180, 443179), (198, 402890), (220, 362601), (330, 241734), (396, 201445), (495, 161156), (660, 120867), (990, 80578), (1980, 40289)]