31248540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9137}}^1$

素因数の和:9171

約数の個数: 72

約数和(自身を含む): 99786960

約数和(自身を除く): 68538420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 9137, 18274, 27411, 36548, 45685, 54822, 82233, 91370, 109644, 137055, 164466, 173603, 182740, 274110, 328932, 347206, 411165, 520809, 548220, 694412, 822330, 868015, 1041618, 1562427, 1644660, 1736030, 2083236, 2604045, 3124854, 3472060, 5208090, 6249708, 7812135, 10416180, 15624270, 31248540]

約数ペア:

[(1, 31248540), (2, 15624270), (3, 10416180), (4, 7812135), (5, 6249708), (6, 5208090), (9, 3472060), (10, 3124854), (12, 2604045), (15, 2083236), (18, 1736030), (19, 1644660), (20, 1562427), (30, 1041618), (36, 868015), (38, 822330), (45, 694412), (57, 548220), (60, 520809), (76, 411165), (90, 347206), (95, 328932), (114, 274110), (171, 182740), (180, 173603), (190, 164466), (228, 137055), (285, 109644), (342, 91370), (380, 82233), (570, 54822), (684, 45685), (855, 36548), (1140, 27411), (1710, 18274), (3420, 9137)]