80782920

素因数分解:

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

素因数の和:8337

約数の個数: 96

約数和(自身を含む): 272301120

約数和(自身を除く): 191518200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 810, 972, 1080, 1215, 1620, 1944, 2430, 3240, 4860, 8311, 9720, 16622, 24933, 33244, 41555, 49866, 66488, 74799, 83110, 99732, 124665, 149598, 166220, 199464, 224397, 249330, 299196, 332440, 373995, 448794, 498660, 598392, 673191, 747990, 897588, 997320, 1121985, 1346382, 1495980, 1795176, 2019573, 2243970, 2692764, 2991960, 3365955, 4039146, 4487940, 5385528, 6731910, 8078292, 8975880, 10097865, 13463820, 16156584, 20195730, 26927640, 40391460, 80782920]

約数ペア:

[(1, 80782920), (2, 40391460), (3, 26927640), (4, 20195730), (5, 16156584), (6, 13463820), (8, 10097865), (9, 8975880), (10, 8078292), (12, 6731910), (15, 5385528), (18, 4487940), (20, 4039146), (24, 3365955), (27, 2991960), (30, 2692764), (36, 2243970), (40, 2019573), (45, 1795176), (54, 1495980), (60, 1346382), (72, 1121985), (81, 997320), (90, 897588), (108, 747990), (120, 673191), (135, 598392), (162, 498660), (180, 448794), (216, 373995), (243, 332440), (270, 299196), (324, 249330), (360, 224397), (405, 199464), (486, 166220), (540, 149598), (648, 124665), (810, 99732), (972, 83110), (1080, 74799), (1215, 66488), (1620, 49866), (1944, 41555), (2430, 33244), (3240, 24933), (4860, 16622), (8311, 9720)]