39870540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{617}}^1$

素因数の和:991

約数の個数: 72

約数和(自身を含む): 121474080

約数和(自身を除く): 81603540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 359, 617, 718, 1077, 1234, 1436, 1795, 1851, 2154, 2468, 3085, 3231, 3590, 3702, 4308, 5385, 5553, 6170, 6462, 7180, 7404, 9255, 10770, 11106, 12340, 12924, 16155, 18510, 21540, 22212, 27765, 32310, 37020, 55530, 64620, 111060, 221503, 443006, 664509, 886012, 1107515, 1329018, 1993527, 2215030, 2658036, 3322545, 3987054, 4430060, 6645090, 7974108, 9967635, 13290180, 19935270, 39870540]

約数ペア:

[(1, 39870540), (2, 19935270), (3, 13290180), (4, 9967635), (5, 7974108), (6, 6645090), (9, 4430060), (10, 3987054), (12, 3322545), (15, 2658036), (18, 2215030), (20, 1993527), (30, 1329018), (36, 1107515), (45, 886012), (60, 664509), (90, 443006), (180, 221503), (359, 111060), (617, 64620), (718, 55530), (1077, 37020), (1234, 32310), (1436, 27765), (1795, 22212), (1851, 21540), (2154, 18510), (2468, 16155), (3085, 12924), (3231, 12340), (3590, 11106), (3702, 10770), (4308, 9255), (5385, 7404), (5553, 7180), (6170, 6462)]