1305462690

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{690721}}^1$

素因数の和:690744

約数の個数: 64

約数和(自身を含む): 3978558720

約数和(自身を除く): 2673096030

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 690721, 1381442, 2072163, 3453605, 4144326, 4835047, 6216489, 6907210, 9670094, 10360815, 12432978, 14505141, 18649467, 20721630, 24175235, 29010282, 31082445, 37298934, 43515423, 48350470, 62164890, 72525705, 87030846, 93247335, 130546269, 145051410, 186494670, 217577115, 261092538, 435154230, 652731345, 1305462690]

約数ペア:

[(1, 1305462690), (2, 652731345), (3, 435154230), (5, 261092538), (6, 217577115), (7, 186494670), (9, 145051410), (10, 130546269), (14, 93247335), (15, 87030846), (18, 72525705), (21, 62164890), (27, 48350470), (30, 43515423), (35, 37298934), (42, 31082445), (45, 29010282), (54, 24175235), (63, 20721630), (70, 18649467), (90, 14505141), (105, 12432978), (126, 10360815), (135, 9670094), (189, 6907210), (210, 6216489), (270, 4835047), (315, 4144326), (378, 3453605), (630, 2072163), (945, 1381442), (1890, 690721)]