1561511930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{283}}^1\times {\mathrm{487}}^1$

素因数の和:891

約数の個数: 64

約数和(自身を含む): 3113330688

約数和(自身を除く): 1551818758

約数列:

[1, 2, 5, 10, 11, 22, 55, 103, 110, 206, 283, 487, 515, 566, 974, 1030, 1133, 1415, 2266, 2435, 2830, 3113, 4870, 5357, 5665, 6226, 10714, 11330, 15565, 26785, 29149, 31130, 50161, 53570, 58298, 100322, 137821, 145745, 250805, 275642, 291490, 320639, 501610, 551771, 641278, 689105, 1103542, 1378210, 1516031, 1603195, 2758855, 3032062, 3206390, 5517710, 7580155, 14195563, 15160310, 28391126, 70977815, 141955630, 156151193, 312302386, 780755965, 1561511930]

約数ペア:

[(1, 1561511930), (2, 780755965), (5, 312302386), (10, 156151193), (11, 141955630), (22, 70977815), (55, 28391126), (103, 15160310), (110, 14195563), (206, 7580155), (283, 5517710), (487, 3206390), (515, 3032062), (566, 2758855), (974, 1603195), (1030, 1516031), (1133, 1378210), (1415, 1103542), (2266, 689105), (2435, 641278), (2830, 551771), (3113, 501610), (4870, 320639), (5357, 291490), (5665, 275642), (6226, 250805), (10714, 145745), (11330, 137821), (15565, 100322), (26785, 58298), (29149, 53570), (31130, 50161)]