80740620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{727}}^1$

素因数の和:1359

約数の個数: 72

約数和(自身を含む): 245647584

約数和(自身を除く): 164906964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 617, 727, 1234, 1454, 1851, 2181, 2468, 2908, 3085, 3635, 3702, 4362, 5553, 6170, 6543, 7270, 7404, 8724, 9255, 10905, 11106, 12340, 13086, 14540, 18510, 21810, 22212, 26172, 27765, 32715, 37020, 43620, 55530, 65430, 111060, 130860, 448559, 897118, 1345677, 1794236, 2242795, 2691354, 4037031, 4485590, 5382708, 6728385, 8074062, 8971180, 13456770, 16148124, 20185155, 26913540, 40370310, 80740620]

約数ペア:

[(1, 80740620), (2, 40370310), (3, 26913540), (4, 20185155), (5, 16148124), (6, 13456770), (9, 8971180), (10, 8074062), (12, 6728385), (15, 5382708), (18, 4485590), (20, 4037031), (30, 2691354), (36, 2242795), (45, 1794236), (60, 1345677), (90, 897118), (180, 448559), (617, 130860), (727, 111060), (1234, 65430), (1454, 55530), (1851, 43620), (2181, 37020), (2468, 32715), (2908, 27765), (3085, 26172), (3635, 22212), (3702, 21810), (4362, 18510), (5553, 14540), (6170, 13086), (6543, 12340), (7270, 11106), (7404, 10905), (8724, 9255)]