161920440

素因数分解:

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

素因数の和:1378

約数の個数: 192

約数和(自身を含む): 593049600

約数和(自身を除く): 431129160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 31, 33, 36, 40, 44, 45, 55, 60, 62, 66, 72, 88, 90, 93, 99, 110, 120, 124, 132, 155, 165, 180, 186, 198, 220, 248, 264, 279, 310, 330, 341, 360, 372, 396, 440, 465, 495, 558, 620, 660, 682, 744, 792, 930, 990, 1023, 1116, 1240, 1319, 1320, 1364, 1395, 1705, 1860, 1980, 2046, 2232, 2638, 2728, 2790, 3069, 3410, 3720, 3957, 3960, 4092, 5115, 5276, 5580, 6138, 6595, 6820, 7914, 8184, 10230, 10552, 11160, 11871, 12276, 13190, 13640, 14509, 15345, 15828, 19785, 20460, 23742, 24552, 26380, 29018, 30690, 31656, 39570, 40889, 40920, 43527, 47484, 52760, 58036, 59355, 61380, 72545, 79140, 81778, 87054, 94968, 116072, 118710, 122667, 122760, 130581, 145090, 158280, 163556, 174108, 204445, 217635, 237420, 245334, 261162, 290180, 327112, 348216, 368001, 408890, 435270, 449779, 474840, 490668, 522324, 580360, 613335, 652905, 736002, 817780, 870540, 899558, 981336, 1044648, 1226670, 1305810, 1349337, 1472004, 1635560, 1741080, 1799116, 1840005, 2248895, 2453340, 2611620, 2698674, 2944008, 3598232, 3680010, 4048011, 4497790, 4906680, 5223240, 5397348, 6746685, 7360020, 8096022, 8995580, 10794696, 13493370, 14720040, 16192044, 17991160, 20240055, 26986740, 32384088, 40480110, 53973480, 80960220, 161920440]

約数ペア:

[(1, 161920440), (2, 80960220), (3, 53973480), (4, 40480110), (5, 32384088), (6, 26986740), (8, 20240055), (9, 17991160), (10, 16192044), (11, 14720040), (12, 13493370), (15, 10794696), (18, 8995580), (20, 8096022), (22, 7360020), (24, 6746685), (30, 5397348), (31, 5223240), (33, 4906680), (36, 4497790), (40, 4048011), (44, 3680010), (45, 3598232), (55, 2944008), (60, 2698674), (62, 2611620), (66, 2453340), (72, 2248895), (88, 1840005), (90, 1799116), (93, 1741080), (99, 1635560), (110, 1472004), (120, 1349337), (124, 1305810), (132, 1226670), (155, 1044648), (165, 981336), (180, 899558), (186, 870540), (198, 817780), (220, 736002), (248, 652905), (264, 613335), (279, 580360), (310, 522324), (330, 490668), (341, 474840), (360, 449779), (372, 435270), (396, 408890), (440, 368001), (465, 348216), (495, 327112), (558, 290180), (620, 261162), (660, 245334), (682, 237420), (744, 217635), (792, 204445), (930, 174108), (990, 163556), (1023, 158280), (1116, 145090), (1240, 130581), (1319, 122760), (1320, 122667), (1364, 118710), (1395, 116072), (1705, 94968), (1860, 87054), (1980, 81778), (2046, 79140), (2232, 72545), (2638, 61380), (2728, 59355), (2790, 58036), (3069, 52760), (3410, 47484), (3720, 43527), (3957, 40920), (3960, 40889), (4092, 39570), (5115, 31656), (5276, 30690), (5580, 29018), (6138, 26380), (6595, 24552), (6820, 23742), (7914, 20460), (8184, 19785), (10230, 15828), (10552, 15345), (11160, 14509), (11871, 13640), (12276, 13190)]