55288620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{751}}^1$

素因数の和:1175

約数の個数: 72

約数和(自身を含む): 168342720

約数和(自身を除く): 113054100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 409, 751, 818, 1227, 1502, 1636, 2045, 2253, 2454, 3004, 3681, 3755, 4090, 4506, 4908, 6135, 6759, 7362, 7510, 8180, 9012, 11265, 12270, 13518, 14724, 15020, 18405, 22530, 24540, 27036, 33795, 36810, 45060, 67590, 73620, 135180, 307159, 614318, 921477, 1228636, 1535795, 1842954, 2764431, 3071590, 3685908, 4607385, 5528862, 6143180, 9214770, 11057724, 13822155, 18429540, 27644310, 55288620]

約数ペア:

[(1, 55288620), (2, 27644310), (3, 18429540), (4, 13822155), (5, 11057724), (6, 9214770), (9, 6143180), (10, 5528862), (12, 4607385), (15, 3685908), (18, 3071590), (20, 2764431), (30, 1842954), (36, 1535795), (45, 1228636), (60, 921477), (90, 614318), (180, 307159), (409, 135180), (751, 73620), (818, 67590), (1227, 45060), (1502, 36810), (1636, 33795), (2045, 27036), (2253, 24540), (2454, 22530), (3004, 18405), (3681, 15020), (3755, 14724), (4090, 13518), (4506, 12270), (4908, 11265), (6135, 9012), (6759, 8180), (7362, 7510)]