80960220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1319}}^1$

素因数の和:1376

約数の個数: 144

約数和(自身を含む): 276756480

約数和(自身を除く): 195796260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 31, 33, 36, 44, 45, 55, 60, 62, 66, 90, 93, 99, 110, 124, 132, 155, 165, 180, 186, 198, 220, 279, 310, 330, 341, 372, 396, 465, 495, 558, 620, 660, 682, 930, 990, 1023, 1116, 1319, 1364, 1395, 1705, 1860, 1980, 2046, 2638, 2790, 3069, 3410, 3957, 4092, 5115, 5276, 5580, 6138, 6595, 6820, 7914, 10230, 11871, 12276, 13190, 14509, 15345, 15828, 19785, 20460, 23742, 26380, 29018, 30690, 39570, 40889, 43527, 47484, 58036, 59355, 61380, 72545, 79140, 81778, 87054, 118710, 122667, 130581, 145090, 163556, 174108, 204445, 217635, 237420, 245334, 261162, 290180, 368001, 408890, 435270, 449779, 490668, 522324, 613335, 652905, 736002, 817780, 870540, 899558, 1226670, 1305810, 1349337, 1472004, 1799116, 1840005, 2248895, 2453340, 2611620, 2698674, 3680010, 4048011, 4497790, 5397348, 6746685, 7360020, 8096022, 8995580, 13493370, 16192044, 20240055, 26986740, 40480110, 80960220]

約数ペア:

[(1, 80960220), (2, 40480110), (3, 26986740), (4, 20240055), (5, 16192044), (6, 13493370), (9, 8995580), (10, 8096022), (11, 7360020), (12, 6746685), (15, 5397348), (18, 4497790), (20, 4048011), (22, 3680010), (30, 2698674), (31, 2611620), (33, 2453340), (36, 2248895), (44, 1840005), (45, 1799116), (55, 1472004), (60, 1349337), (62, 1305810), (66, 1226670), (90, 899558), (93, 870540), (99, 817780), (110, 736002), (124, 652905), (132, 613335), (155, 522324), (165, 490668), (180, 449779), (186, 435270), (198, 408890), (220, 368001), (279, 290180), (310, 261162), (330, 245334), (341, 237420), (372, 217635), (396, 204445), (465, 174108), (495, 163556), (558, 145090), (620, 130581), (660, 122667), (682, 118710), (930, 87054), (990, 81778), (1023, 79140), (1116, 72545), (1319, 61380), (1364, 59355), (1395, 58036), (1705, 47484), (1860, 43527), (1980, 40889), (2046, 39570), (2638, 30690), (2790, 29018), (3069, 26380), (3410, 23742), (3957, 20460), (4092, 19785), (5115, 15828), (5276, 15345), (5580, 14509), (6138, 13190), (6595, 12276), (6820, 11871), (7914, 10230)]