12981240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{337}}^1$

素因数の和:461

約数の個数: 96

約数和(自身を含む): 42709680

約数和(自身を除く): 29728440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 107, 120, 180, 214, 321, 337, 360, 428, 535, 642, 674, 856, 963, 1011, 1070, 1284, 1348, 1605, 1685, 1926, 2022, 2140, 2568, 2696, 3033, 3210, 3370, 3852, 4044, 4280, 4815, 5055, 6066, 6420, 6740, 7704, 8088, 9630, 10110, 12132, 12840, 13480, 15165, 19260, 20220, 24264, 30330, 36059, 38520, 40440, 60660, 72118, 108177, 121320, 144236, 180295, 216354, 288472, 324531, 360590, 432708, 540885, 649062, 721180, 865416, 1081770, 1298124, 1442360, 1622655, 2163540, 2596248, 3245310, 4327080, 6490620, 12981240]

約数ペア:

[(1, 12981240), (2, 6490620), (3, 4327080), (4, 3245310), (5, 2596248), (6, 2163540), (8, 1622655), (9, 1442360), (10, 1298124), (12, 1081770), (15, 865416), (18, 721180), (20, 649062), (24, 540885), (30, 432708), (36, 360590), (40, 324531), (45, 288472), (60, 216354), (72, 180295), (90, 144236), (107, 121320), (120, 108177), (180, 72118), (214, 60660), (321, 40440), (337, 38520), (360, 36059), (428, 30330), (535, 24264), (642, 20220), (674, 19260), (856, 15165), (963, 13480), (1011, 12840), (1070, 12132), (1284, 10110), (1348, 9630), (1605, 8088), (1685, 7704), (1926, 6740), (2022, 6420), (2140, 6066), (2568, 5055), (2696, 4815), (3033, 4280), (3210, 4044), (3370, 3852)]