81679080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{479}}^1$

素因数の和:536

約数の個数: 192

約数和(自身を含む): 295488000

約数和(自身を除く): 213808920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 35, 40, 42, 49, 56, 58, 60, 70, 84, 87, 98, 105, 116, 120, 140, 145, 147, 168, 174, 196, 203, 210, 232, 245, 280, 290, 294, 348, 392, 406, 420, 435, 479, 490, 580, 588, 609, 696, 735, 812, 840, 870, 958, 980, 1015, 1160, 1176, 1218, 1421, 1437, 1470, 1624, 1740, 1916, 1960, 2030, 2395, 2436, 2842, 2874, 2940, 3045, 3353, 3480, 3832, 4060, 4263, 4790, 4872, 5684, 5748, 5880, 6090, 6706, 7105, 7185, 8120, 8526, 9580, 10059, 11368, 11496, 12180, 13412, 13891, 14210, 14370, 16765, 17052, 19160, 20118, 21315, 23471, 24360, 26824, 27782, 28420, 28740, 33530, 34104, 40236, 41673, 42630, 46942, 50295, 55564, 56840, 57480, 67060, 69455, 70413, 80472, 83346, 85260, 93884, 97237, 100590, 111128, 117355, 134120, 138910, 140826, 166692, 170520, 187768, 194474, 201180, 208365, 234710, 277820, 281652, 291711, 333384, 352065, 388948, 402360, 416730, 469420, 486185, 555640, 563304, 583422, 680659, 704130, 777896, 833460, 938840, 972370, 1166844, 1361318, 1408260, 1458555, 1666920, 1944740, 2041977, 2333688, 2722636, 2816520, 2917110, 3403295, 3889480, 4083954, 5445272, 5834220, 6806590, 8167908, 10209885, 11668440, 13613180, 16335816, 20419770, 27226360, 40839540, 81679080]

約数ペア:

[(1, 81679080), (2, 40839540), (3, 27226360), (4, 20419770), (5, 16335816), (6, 13613180), (7, 11668440), (8, 10209885), (10, 8167908), (12, 6806590), (14, 5834220), (15, 5445272), (20, 4083954), (21, 3889480), (24, 3403295), (28, 2917110), (29, 2816520), (30, 2722636), (35, 2333688), (40, 2041977), (42, 1944740), (49, 1666920), (56, 1458555), (58, 1408260), (60, 1361318), (70, 1166844), (84, 972370), (87, 938840), (98, 833460), (105, 777896), (116, 704130), (120, 680659), (140, 583422), (145, 563304), (147, 555640), (168, 486185), (174, 469420), (196, 416730), (203, 402360), (210, 388948), (232, 352065), (245, 333384), (280, 291711), (290, 281652), (294, 277820), (348, 234710), (392, 208365), (406, 201180), (420, 194474), (435, 187768), (479, 170520), (490, 166692), (580, 140826), (588, 138910), (609, 134120), (696, 117355), (735, 111128), (812, 100590), (840, 97237), (870, 93884), (958, 85260), (980, 83346), (1015, 80472), (1160, 70413), (1176, 69455), (1218, 67060), (1421, 57480), (1437, 56840), (1470, 55564), (1624, 50295), (1740, 46942), (1916, 42630), (1960, 41673), (2030, 40236), (2395, 34104), (2436, 33530), (2842, 28740), (2874, 28420), (2940, 27782), (3045, 26824), (3353, 24360), (3480, 23471), (3832, 21315), (4060, 20118), (4263, 19160), (4790, 17052), (4872, 16765), (5684, 14370), (5748, 14210), (5880, 13891), (6090, 13412), (6706, 12180), (7105, 11496), (7185, 11368), (8120, 10059), (8526, 9580)]