28389060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{22531}}^1$

素因数の和:22553

約数の個数: 72

約数和(自身を含む): 98419776

約数和(自身を除く): 70030716

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 22531, 45062, 67593, 90124, 112655, 135186, 157717, 202779, 225310, 270372, 315434, 337965, 405558, 450620, 473151, 630868, 675930, 788585, 811116, 946302, 1013895, 1351860, 1419453, 1577170, 1892604, 2027790, 2365755, 2838906, 3154340, 4055580, 4731510, 5677812, 7097265, 9463020, 14194530, 28389060]

約数ペア:

[(1, 28389060), (2, 14194530), (3, 9463020), (4, 7097265), (5, 5677812), (6, 4731510), (7, 4055580), (9, 3154340), (10, 2838906), (12, 2365755), (14, 2027790), (15, 1892604), (18, 1577170), (20, 1419453), (21, 1351860), (28, 1013895), (30, 946302), (35, 811116), (36, 788585), (42, 675930), (45, 630868), (60, 473151), (63, 450620), (70, 405558), (84, 337965), (90, 315434), (105, 270372), (126, 225310), (140, 202779), (180, 157717), (210, 135186), (252, 112655), (315, 90124), (420, 67593), (630, 45062), (1260, 22531)]