861774660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{20201}}^1$

素因数の和:20298

約数の個数: 96

約数和(自身を含む): 2715148800

約数和(自身を除く): 1853374140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 79, 90, 108, 135, 158, 180, 237, 270, 316, 395, 474, 540, 711, 790, 948, 1185, 1422, 1580, 2133, 2370, 2844, 3555, 4266, 4740, 7110, 8532, 10665, 14220, 20201, 21330, 40402, 42660, 60603, 80804, 101005, 121206, 181809, 202010, 242412, 303015, 363618, 404020, 545427, 606030, 727236, 909045, 1090854, 1212060, 1595879, 1818090, 2181708, 2727135, 3191758, 3636180, 4787637, 5454270, 6383516, 7979395, 9575274, 10908540, 14362911, 15958790, 19150548, 23938185, 28725822, 31917580, 43088733, 47876370, 57451644, 71814555, 86177466, 95752740, 143629110, 172354932, 215443665, 287258220, 430887330, 861774660]

約数ペア:

[(1, 861774660), (2, 430887330), (3, 287258220), (4, 215443665), (5, 172354932), (6, 143629110), (9, 95752740), (10, 86177466), (12, 71814555), (15, 57451644), (18, 47876370), (20, 43088733), (27, 31917580), (30, 28725822), (36, 23938185), (45, 19150548), (54, 15958790), (60, 14362911), (79, 10908540), (90, 9575274), (108, 7979395), (135, 6383516), (158, 5454270), (180, 4787637), (237, 3636180), (270, 3191758), (316, 2727135), (395, 2181708), (474, 1818090), (540, 1595879), (711, 1212060), (790, 1090854), (948, 909045), (1185, 727236), (1422, 606030), (1580, 545427), (2133, 404020), (2370, 363618), (2844, 303015), (3555, 242412), (4266, 202010), (4740, 181809), (7110, 121206), (8532, 101005), (10665, 80804), (14220, 60603), (20201, 42660), (21330, 40402)]