1991534760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{117703}}^1$

素因数の和:117767

約数の個数: 96

約数和(自身を含む): 6610256640

約数和(自身を除く): 4618721880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 47, 60, 72, 90, 94, 120, 141, 180, 188, 235, 282, 360, 376, 423, 470, 564, 705, 846, 940, 1128, 1410, 1692, 1880, 2115, 2820, 3384, 4230, 5640, 8460, 16920, 117703, 235406, 353109, 470812, 588515, 706218, 941624, 1059327, 1177030, 1412436, 1765545, 2118654, 2354060, 2824872, 3531090, 4237308, 4708120, 5296635, 5532041, 7062180, 8474616, 10593270, 11064082, 14124360, 16596123, 21186540, 22128164, 27660205, 33192246, 42373080, 44256328, 49788369, 55320410, 66384492, 82980615, 99576738, 110640820, 132768984, 165961230, 199153476, 221281640, 248941845, 331922460, 398306952, 497883690, 663844920, 995767380, 1991534760]

約数ペア:

[(1, 1991534760), (2, 995767380), (3, 663844920), (4, 497883690), (5, 398306952), (6, 331922460), (8, 248941845), (9, 221281640), (10, 199153476), (12, 165961230), (15, 132768984), (18, 110640820), (20, 99576738), (24, 82980615), (30, 66384492), (36, 55320410), (40, 49788369), (45, 44256328), (47, 42373080), (60, 33192246), (72, 27660205), (90, 22128164), (94, 21186540), (120, 16596123), (141, 14124360), (180, 11064082), (188, 10593270), (235, 8474616), (282, 7062180), (360, 5532041), (376, 5296635), (423, 4708120), (470, 4237308), (564, 3531090), (705, 2824872), (846, 2354060), (940, 2118654), (1128, 1765545), (1410, 1412436), (1692, 1177030), (1880, 1059327), (2115, 941624), (2820, 706218), (3384, 588515), (4230, 470812), (5640, 353109), (8460, 235406), (16920, 117703)]