999540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{617}}^1$

素因数の和:638

約数の個数: 60

約数和(自身を含む): 3140676

約数和(自身を除く): 2141136

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 617, 810, 1234, 1620, 1851, 2468, 3085, 3702, 5553, 6170, 7404, 9255, 11106, 12340, 16659, 18510, 22212, 27765, 33318, 37020, 49977, 55530, 66636, 83295, 99954, 111060, 166590, 199908, 249885, 333180, 499770, 999540]

約数ペア:

[(1, 999540), (2, 499770), (3, 333180), (4, 249885), (5, 199908), (6, 166590), (9, 111060), (10, 99954), (12, 83295), (15, 66636), (18, 55530), (20, 49977), (27, 37020), (30, 33318), (36, 27765), (45, 22212), (54, 18510), (60, 16659), (81, 12340), (90, 11106), (108, 9255), (135, 7404), (162, 6170), (180, 5553), (270, 3702), (324, 3085), (405, 2468), (540, 1851), (617, 1620), (810, 1234)]