19841760

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{1531}}^1$

素因数の和:1558

約数の個数: 120

約数和(自身を含む): 70070616

約数和(自身を除く): 50228856

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1531, 1620, 2160, 2592, 3062, 3240, 4320, 4593, 6124, 6480, 7655, 9186, 12248, 12960, 13779, 15310, 18372, 22965, 24496, 27558, 30620, 36744, 41337, 45930, 48992, 55116, 61240, 68895, 73488, 82674, 91860, 110232, 122480, 124011, 137790, 146976, 165348, 183720, 206685, 220464, 244960, 248022, 275580, 330696, 367440, 413370, 440928, 496044, 551160, 620055, 661392, 734880, 826740, 992088, 1102320, 1240110, 1322784, 1653480, 1984176, 2204640, 2480220, 3306960, 3968352, 4960440, 6613920, 9920880, 19841760]

約数ペア:

[(1, 19841760), (2, 9920880), (3, 6613920), (4, 4960440), (5, 3968352), (6, 3306960), (8, 2480220), (9, 2204640), (10, 1984176), (12, 1653480), (15, 1322784), (16, 1240110), (18, 1102320), (20, 992088), (24, 826740), (27, 734880), (30, 661392), (32, 620055), (36, 551160), (40, 496044), (45, 440928), (48, 413370), (54, 367440), (60, 330696), (72, 275580), (80, 248022), (81, 244960), (90, 220464), (96, 206685), (108, 183720), (120, 165348), (135, 146976), (144, 137790), (160, 124011), (162, 122480), (180, 110232), (216, 91860), (240, 82674), (270, 73488), (288, 68895), (324, 61240), (360, 55116), (405, 48992), (432, 45930), (480, 41337), (540, 36744), (648, 30620), (720, 27558), (810, 24496), (864, 22965), (1080, 18372), (1296, 15310), (1440, 13779), (1531, 12960), (1620, 12248), (2160, 9186), (2592, 7655), (3062, 6480), (3240, 6124), (4320, 4593)]