18547920

素因数分解:

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

素因数の和:330

約数の個数: 160

約数和(自身を含む): 66186240

約数和(自身を除く): 47638320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 36, 40, 45, 48, 54, 60, 62, 72, 80, 90, 93, 108, 120, 124, 135, 144, 155, 180, 186, 216, 240, 248, 270, 277, 279, 310, 360, 372, 432, 465, 496, 540, 554, 558, 620, 720, 744, 831, 837, 930, 1080, 1108, 1116, 1240, 1385, 1395, 1488, 1662, 1674, 1860, 2160, 2216, 2232, 2480, 2493, 2770, 2790, 3324, 3348, 3720, 4155, 4185, 4432, 4464, 4986, 5540, 5580, 6648, 6696, 7440, 7479, 8310, 8370, 8587, 9972, 11080, 11160, 12465, 13296, 13392, 14958, 16620, 16740, 17174, 19944, 22160, 22320, 24930, 25761, 29916, 33240, 33480, 34348, 37395, 39888, 42935, 49860, 51522, 59832, 66480, 66960, 68696, 74790, 77283, 85870, 99720, 103044, 119664, 128805, 137392, 149580, 154566, 171740, 199440, 206088, 231849, 257610, 299160, 309132, 343480, 386415, 412176, 463698, 515220, 598320, 618264, 686960, 772830, 927396, 1030440, 1159245, 1236528, 1545660, 1854792, 2060880, 2318490, 3091320, 3709584, 4636980, 6182640, 9273960, 18547920]

約数ペア:

[(1, 18547920), (2, 9273960), (3, 6182640), (4, 4636980), (5, 3709584), (6, 3091320), (8, 2318490), (9, 2060880), (10, 1854792), (12, 1545660), (15, 1236528), (16, 1159245), (18, 1030440), (20, 927396), (24, 772830), (27, 686960), (30, 618264), (31, 598320), (36, 515220), (40, 463698), (45, 412176), (48, 386415), (54, 343480), (60, 309132), (62, 299160), (72, 257610), (80, 231849), (90, 206088), (93, 199440), (108, 171740), (120, 154566), (124, 149580), (135, 137392), (144, 128805), (155, 119664), (180, 103044), (186, 99720), (216, 85870), (240, 77283), (248, 74790), (270, 68696), (277, 66960), (279, 66480), (310, 59832), (360, 51522), (372, 49860), (432, 42935), (465, 39888), (496, 37395), (540, 34348), (554, 33480), (558, 33240), (620, 29916), (720, 25761), (744, 24930), (831, 22320), (837, 22160), (930, 19944), (1080, 17174), (1108, 16740), (1116, 16620), (1240, 14958), (1385, 13392), (1395, 13296), (1488, 12465), (1662, 11160), (1674, 11080), (1860, 9972), (2160, 8587), (2216, 8370), (2232, 8310), (2480, 7479), (2493, 7440), (2770, 6696), (2790, 6648), (3324, 5580), (3348, 5540), (3720, 4986), (4155, 4464), (4185, 4432)]