31215707820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15765509}}^1$

素因数の和:15765535

約数の個数: 72

約数和(自身を含む): 103295621520

約数和(自身を除く): 72079913700

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, 15765509, 31531018, 47296527, 63062036, 78827545, 94593054, 141889581, 157655090, 173420599, 189186108, 236482635, 283779162, 315310180, 346841198, 472965270, 520261797, 567558324, 693682396, 709447905, 867102995, 945930540, 1040523594, 1418895810, 1560785391, 1734205990, 2081047188, 2601308985, 2837791620, 3121570782, 3468411980, 5202617970, 6243141564, 7803926955, 10405235940, 15607853910, 31215707820]

約数ペア:

[(1, 31215707820), (2, 15607853910), (3, 10405235940), (4, 7803926955), (5, 6243141564), (6, 5202617970), (9, 3468411980), (10, 3121570782), (11, 2837791620), (12, 2601308985), (15, 2081047188), (18, 1734205990), (20, 1560785391), (22, 1418895810), (30, 1040523594), (33, 945930540), (36, 867102995), (44, 709447905), (45, 693682396), (55, 567558324), (60, 520261797), (66, 472965270), (90, 346841198), (99, 315310180), (110, 283779162), (132, 236482635), (165, 189186108), (180, 173420599), (198, 157655090), (220, 141889581), (330, 94593054), (396, 78827545), (495, 63062036), (660, 47296527), (990, 31531018), (1980, 15765509)]