215421120

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{8311}}^1$

素因数の和:8340

約数の個数: 140

約数和(自身を含む): 766383024

約数和(自身を除く): 550961904

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, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 810, 864, 960, 1080, 1296, 1440, 1620, 1728, 2160, 2592, 2880, 3240, 4320, 5184, 6480, 8311, 8640, 12960, 16622, 24933, 25920, 33244, 41555, 49866, 66488, 74799, 83110, 99732, 124665, 132976, 149598, 166220, 199464, 224397, 249330, 265952, 299196, 332440, 373995, 398928, 448794, 498660, 531904, 598392, 664880, 673191, 747990, 797856, 897588, 997320, 1121985, 1196784, 1329760, 1346382, 1495980, 1595712, 1795176, 1994640, 2243970, 2393568, 2659520, 2692764, 2991960, 3365955, 3590352, 3989280, 4487940, 4787136, 5385528, 5983920, 6731910, 7180704, 7978560, 8975880, 10771056, 11967840, 13463820, 14361408, 17951760, 21542112, 23935680, 26927640, 35903520, 43084224, 53855280, 71807040, 107710560, 215421120]

約数ペア:

[(1, 215421120), (2, 107710560), (3, 71807040), (4, 53855280), (5, 43084224), (6, 35903520), (8, 26927640), (9, 23935680), (10, 21542112), (12, 17951760), (15, 14361408), (16, 13463820), (18, 11967840), (20, 10771056), (24, 8975880), (27, 7978560), (30, 7180704), (32, 6731910), (36, 5983920), (40, 5385528), (45, 4787136), (48, 4487940), (54, 3989280), (60, 3590352), (64, 3365955), (72, 2991960), (80, 2692764), (81, 2659520), (90, 2393568), (96, 2243970), (108, 1994640), (120, 1795176), (135, 1595712), (144, 1495980), (160, 1346382), (162, 1329760), (180, 1196784), (192, 1121985), (216, 997320), (240, 897588), (270, 797856), (288, 747990), (320, 673191), (324, 664880), (360, 598392), (405, 531904), (432, 498660), (480, 448794), (540, 398928), (576, 373995), (648, 332440), (720, 299196), (810, 265952), (864, 249330), (960, 224397), (1080, 199464), (1296, 166220), (1440, 149598), (1620, 132976), (1728, 124665), (2160, 99732), (2592, 83110), (2880, 74799), (3240, 66488), (4320, 49866), (5184, 41555), (6480, 33244), (8311, 25920), (8640, 24933), (12960, 16622)]