15215220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{617}}^1$

素因数の和:769

約数の個数: 72

約数和(自身を含む): 46565064

約数和(自身を除く): 31349844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 274, 411, 548, 617, 685, 822, 1233, 1234, 1370, 1644, 1851, 2055, 2466, 2468, 2740, 3085, 3702, 4110, 4932, 5553, 6165, 6170, 7404, 8220, 9255, 11106, 12330, 12340, 18510, 22212, 24660, 27765, 37020, 55530, 84529, 111060, 169058, 253587, 338116, 422645, 507174, 760761, 845290, 1014348, 1267935, 1521522, 1690580, 2535870, 3043044, 3803805, 5071740, 7607610, 15215220]

約数ペア:

[(1, 15215220), (2, 7607610), (3, 5071740), (4, 3803805), (5, 3043044), (6, 2535870), (9, 1690580), (10, 1521522), (12, 1267935), (15, 1014348), (18, 845290), (20, 760761), (30, 507174), (36, 422645), (45, 338116), (60, 253587), (90, 169058), (137, 111060), (180, 84529), (274, 55530), (411, 37020), (548, 27765), (617, 24660), (685, 22212), (822, 18510), (1233, 12340), (1234, 12330), (1370, 11106), (1644, 9255), (1851, 8220), (2055, 7404), (2466, 6170), (2468, 6165), (2740, 5553), (3085, 4932), (3702, 4110)]