1321290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{277}}^1$

素因数の和:343

約数の個数: 48

約数和(自身を含む): 3512808

約数和(自身を除く): 2191518

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 53, 90, 106, 159, 265, 277, 318, 477, 530, 554, 795, 831, 954, 1385, 1590, 1662, 2385, 2493, 2770, 4155, 4770, 4986, 8310, 12465, 14681, 24930, 29362, 44043, 73405, 88086, 132129, 146810, 220215, 264258, 440430, 660645, 1321290]

約数ペア:

[(1, 1321290), (2, 660645), (3, 440430), (5, 264258), (6, 220215), (9, 146810), (10, 132129), (15, 88086), (18, 73405), (30, 44043), (45, 29362), (53, 24930), (90, 14681), (106, 12465), (159, 8310), (265, 4986), (277, 4770), (318, 4155), (477, 2770), (530, 2493), (554, 2385), (795, 1662), (831, 1590), (954, 1385)]