27821880

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:331

約数の個数: 160

約数和(自身を含む): 96877440

約数和(自身を除く): 69055560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 81, 90, 93, 108, 120, 124, 135, 155, 162, 180, 186, 216, 248, 270, 277, 279, 310, 324, 360, 372, 405, 465, 540, 554, 558, 620, 648, 744, 810, 831, 837, 930, 1080, 1108, 1116, 1240, 1385, 1395, 1620, 1662, 1674, 1860, 2216, 2232, 2493, 2511, 2770, 2790, 3240, 3324, 3348, 3720, 4155, 4185, 4986, 5022, 5540, 5580, 6648, 6696, 7479, 8310, 8370, 8587, 9972, 10044, 11080, 11160, 12465, 12555, 14958, 16620, 16740, 17174, 19944, 20088, 22437, 24930, 25110, 25761, 29916, 33240, 33480, 34348, 37395, 42935, 44874, 49860, 50220, 51522, 59832, 68696, 74790, 77283, 85870, 89748, 99720, 100440, 103044, 112185, 128805, 149580, 154566, 171740, 179496, 206088, 224370, 231849, 257610, 299160, 309132, 343480, 386415, 448740, 463698, 515220, 618264, 695547, 772830, 897480, 927396, 1030440, 1159245, 1391094, 1545660, 1854792, 2318490, 2782188, 3091320, 3477735, 4636980, 5564376, 6955470, 9273960, 13910940, 27821880]

約数ペア:

[(1, 27821880), (2, 13910940), (3, 9273960), (4, 6955470), (5, 5564376), (6, 4636980), (8, 3477735), (9, 3091320), (10, 2782188), (12, 2318490), (15, 1854792), (18, 1545660), (20, 1391094), (24, 1159245), (27, 1030440), (30, 927396), (31, 897480), (36, 772830), (40, 695547), (45, 618264), (54, 515220), (60, 463698), (62, 448740), (72, 386415), (81, 343480), (90, 309132), (93, 299160), (108, 257610), (120, 231849), (124, 224370), (135, 206088), (155, 179496), (162, 171740), (180, 154566), (186, 149580), (216, 128805), (248, 112185), (270, 103044), (277, 100440), (279, 99720), (310, 89748), (324, 85870), (360, 77283), (372, 74790), (405, 68696), (465, 59832), (540, 51522), (554, 50220), (558, 49860), (620, 44874), (648, 42935), (744, 37395), (810, 34348), (831, 33480), (837, 33240), (930, 29916), (1080, 25761), (1108, 25110), (1116, 24930), (1240, 22437), (1385, 20088), (1395, 19944), (1620, 17174), (1662, 16740), (1674, 16620), (1860, 14958), (2216, 12555), (2232, 12465), (2493, 11160), (2511, 11080), (2770, 10044), (2790, 9972), (3240, 8587), (3324, 8370), (3348, 8310), (3720, 7479), (4155, 6696), (4185, 6648), (4986, 5580), (5022, 5540)]