1999080

素因数分解:

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

素因数の和:640

約数の個数: 80

約数和(自身を含む): 6730020

約数和(自身を除く): 4730940

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 617, 648, 810, 1080, 1234, 1620, 1851, 2468, 3085, 3240, 3702, 4936, 5553, 6170, 7404, 9255, 11106, 12340, 14808, 16659, 18510, 22212, 24680, 27765, 33318, 37020, 44424, 49977, 55530, 66636, 74040, 83295, 99954, 111060, 133272, 166590, 199908, 222120, 249885, 333180, 399816, 499770, 666360, 999540, 1999080]

約数ペア:

[(1, 1999080), (2, 999540), (3, 666360), (4, 499770), (5, 399816), (6, 333180), (8, 249885), (9, 222120), (10, 199908), (12, 166590), (15, 133272), (18, 111060), (20, 99954), (24, 83295), (27, 74040), (30, 66636), (36, 55530), (40, 49977), (45, 44424), (54, 37020), (60, 33318), (72, 27765), (81, 24680), (90, 22212), (108, 18510), (120, 16659), (135, 14808), (162, 12340), (180, 11106), (216, 9255), (270, 7404), (324, 6170), (360, 5553), (405, 4936), (540, 3702), (617, 3240), (648, 3085), (810, 2468), (1080, 1851), (1234, 1620)]