31720572

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{443}}^1$

素因数の和:489

約数の個数: 120

約数和(自身を含む): 94769136

約数和(自身を除く): 63048564

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 27, 34, 36, 39, 51, 52, 54, 68, 78, 81, 102, 108, 117, 153, 156, 162, 204, 221, 234, 306, 324, 351, 442, 443, 459, 468, 612, 663, 702, 884, 886, 918, 1053, 1326, 1329, 1377, 1404, 1772, 1836, 1989, 2106, 2652, 2658, 2754, 3978, 3987, 4212, 5316, 5508, 5759, 5967, 7531, 7956, 7974, 11518, 11934, 11961, 15062, 15948, 17277, 17901, 22593, 23036, 23868, 23922, 30124, 34554, 35802, 35883, 45186, 47844, 51831, 67779, 69108, 71604, 71766, 90372, 97903, 103662, 135558, 143532, 155493, 195806, 203337, 207324, 271116, 293709, 310986, 391612, 406674, 466479, 587418, 610011, 621972, 813348, 881127, 932958, 1174836, 1220022, 1762254, 1865916, 2440044, 2643381, 3524508, 5286762, 7930143, 10573524, 15860286, 31720572]

約数ペア:

[(1, 31720572), (2, 15860286), (3, 10573524), (4, 7930143), (6, 5286762), (9, 3524508), (12, 2643381), (13, 2440044), (17, 1865916), (18, 1762254), (26, 1220022), (27, 1174836), (34, 932958), (36, 881127), (39, 813348), (51, 621972), (52, 610011), (54, 587418), (68, 466479), (78, 406674), (81, 391612), (102, 310986), (108, 293709), (117, 271116), (153, 207324), (156, 203337), (162, 195806), (204, 155493), (221, 143532), (234, 135558), (306, 103662), (324, 97903), (351, 90372), (442, 71766), (443, 71604), (459, 69108), (468, 67779), (612, 51831), (663, 47844), (702, 45186), (884, 35883), (886, 35802), (918, 34554), (1053, 30124), (1326, 23922), (1329, 23868), (1377, 23036), (1404, 22593), (1772, 17901), (1836, 17277), (1989, 15948), (2106, 15062), (2652, 11961), (2658, 11934), (2754, 11518), (3978, 7974), (3987, 7956), (4212, 7531), (5316, 5967), (5508, 5759)]