31230540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15773}}^1$

素因数の和:15799

約数の個数: 72

約数和(自身を含む): 103351248

約数和(自身を除く): 72120708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 15773, 31546, 47319, 63092, 78865, 94638, 141957, 157730, 173503, 189276, 236595, 283914, 315460, 347006, 473190, 520509, 567828, 694012, 709785, 867515, 946380, 1041018, 1419570, 1561527, 1735030, 2082036, 2602545, 2839140, 3123054, 3470060, 5205090, 6246108, 7807635, 10410180, 15615270, 31230540]

約数ペア:

[(1, 31230540), (2, 15615270), (3, 10410180), (4, 7807635), (5, 6246108), (6, 5205090), (9, 3470060), (10, 3123054), (11, 2839140), (12, 2602545), (15, 2082036), (18, 1735030), (20, 1561527), (22, 1419570), (30, 1041018), (33, 946380), (36, 867515), (44, 709785), (45, 694012), (55, 567828), (60, 520509), (66, 473190), (90, 347006), (99, 315460), (110, 283914), (132, 236595), (165, 189276), (180, 173503), (198, 157730), (220, 141957), (330, 94638), (396, 78865), (495, 63092), (660, 47319), (990, 31546), (1980, 15773)]