78741540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{709}}^1$

素因数の和:1341

約数の個数: 72

約数和(自身を含む): 239573880

約数和(自身を除く): 160832340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 617, 709, 1234, 1418, 1851, 2127, 2468, 2836, 3085, 3545, 3702, 4254, 5553, 6170, 6381, 7090, 7404, 8508, 9255, 10635, 11106, 12340, 12762, 14180, 18510, 21270, 22212, 25524, 27765, 31905, 37020, 42540, 55530, 63810, 111060, 127620, 437453, 874906, 1312359, 1749812, 2187265, 2624718, 3937077, 4374530, 5249436, 6561795, 7874154, 8749060, 13123590, 15748308, 19685385, 26247180, 39370770, 78741540]

約数ペア:

[(1, 78741540), (2, 39370770), (3, 26247180), (4, 19685385), (5, 15748308), (6, 13123590), (9, 8749060), (10, 7874154), (12, 6561795), (15, 5249436), (18, 4374530), (20, 3937077), (30, 2624718), (36, 2187265), (45, 1749812), (60, 1312359), (90, 874906), (180, 437453), (617, 127620), (709, 111060), (1234, 63810), (1418, 55530), (1851, 42540), (2127, 37020), (2468, 31905), (2836, 27765), (3085, 25524), (3545, 22212), (3702, 21270), (4254, 18510), (5553, 14180), (6170, 12762), (6381, 12340), (7090, 11106), (7404, 10635), (8508, 9255)]